Photo in the color Dark brown
Pictured: Dark brown, the closest color we have a photo of (#654321)
rgb(107, 68, 35)
#6B4423

Kobicha #6B4423 RGB Color Code

Also known as Flattery, Brown-Nose

Kobicha (#6B4423) is a muted, dark brown. In RGB it is made of 42% red, 27% green and 14% blue (R 107, G 68, B 35). The red channel is the strongest. In HSL it has a hue of 28Β°, 51% saturation and 28% lightness. Its relative luminance is 0.074, so white text is easier to read on top of it. For print, a rough CMYK match is 0% cyan, 36% magenta, 67% yellow and 58% black. Check it against your printer's ICC profile before you print. It is a warm color. It goes well with cool blues and greens for contrast. For a matching look, use nearby warm tones.

Open in color picker
ConverterPalette generatorContrast checkerGradient builderUI previewSimilar names

Kobicha color codes

#6B4423 in every common color format. Click a value to copy it.

FormatValueNotesCopy
HEX #6B4423 Valid CSS
RGB rgb(107, 68, 35) Valid CSS
HSL hsl(28, 51%, 28%) Valid CSS
HSV / HSB hsv(28, 67%, 42%) Not a CSS format
HWB hwb(28 14% 58%) Valid CSS
CMYK cmyk(0%, 36%, 67%, 58%) Approximate (no ICC profile)
OKLCH oklch(42.44% 0.0717 59.27) Valid CSS
OKLab oklab(42.44% 0.0366 0.0616) Valid CSS
CIELAB lab(32.96% 14.76 26.86) D50, as in CSS
CIELCH lch(32.96% 30.64 61.21) Valid CSS
Display P3 color(display-p3 0.3976 0.2734 0.1601) Valid CSS
XYZ (D65) color(xyz-d65 0.0843 0.0738 0.0257) Valid CSS
Decimal 7029795 Integer (0xRRGGBB)

CMYK here is a rough screen match without an ICC profile. See CMYK and print. Relative luminance: 0.0738. Nearest web-safe color: #663333.

Mix Kobicha with other colors

See what #6B4423 makes with red paint, under a green light, printed with cyan ink and in a digital blend with blue. Click a picture to change the colors and amounts in the color mixer.

PaintKobicha and red paintOpen in the color mixer
LightKobicha and green lightOpen in the color mixer
PrintKobicha and cyan inkOpen in the color mixer
DigitalKobicha blended with blueOpen in the color mixer

Use Kobicha in your code

Ready to paste into CSS, Sass, Tailwind, iOS, Android and Flutter. Click the icon to copy a line.

WhereCodeCopy
CSS variable--kobicha: #6B4423;
Sass variable$kobicha: #6B4423;
Tailwind CSS v4@theme { --color-kobicha: #6B4423; }
Tailwind CSS v3 configcolors: { 'kobicha': '#6B4423' }
SwiftUIColor(red: 0.42, green: 0.267, blue: 0.137)
UIKitUIColor(red: 0.42, green: 0.267, blue: 0.137, alpha: 1)
Android XML<color name="kobicha">#FF6B4423</color>
Flutter and Jetpack ComposeColor(0xFF6B4423)

Accessibility and contrast

White text works best on #6B4423 (8.48:1, AAA). Here is how #6B4423 does as a text color:

Large heading text
Body text at 16px. The quick brown fox jumps over the lazy dog.
8.48:1 on white
APCA Lc 89
AAA
Large heading text
Body text at 16px. The quick brown fox jumps over the lazy dog.
2.48:1 on black
APCA Lc -13
Fails AATry #956B4A

Check this color against any background in the contrast checker. WCAG ratios and APCA Lc values measure different things, so one can't stand in for the other. Learn more.

How people with color blindness see Kobicha

#6B4423 next to its complement and its two triadic colors, as seen with each type of color blindness.

  • Normal visionhow most people see it
  • Protanopiano red cones, about 1% of men
  • Deuteranopiano green cones, the most common type
  • Tritanopiano blue cones, very rare
  • Achromatopsiano color at all, very rare

With deuteranopia, #6B4423 and #236B44 look much alike. Don't use these colors alone to tell things apart, for example in a chart. Add labels, patterns or a difference in lightness. Try your own colors in the color blindness simulator.

About the color Kobicha

The color of kelp tea

Kobicha is one of the traditional colors of Japan, the old set of dye colors used for kimono. Its name is linked to the color of a tea made from kelp. The written form of the word was also used for flattery. Wikipedia points out that this is a funny match with the English phrase brown nosing.

The code #6B4423 comes from the Wikipedia article on kobicha, which uses a Japanese color book as its source. The ISCC-NBS system calls it a strong brown.

Close browns

Kobicha is a warm brown with an orange lean. It is very close to dark brown, #654321, and a little lighter than chocolate. White text on it has a contrast ratio of 8.48 to 1. For a Japanese green made from the same kind of seaweed, see kombu green.

Kobicha in a user interface

A sample app screen with #6B4423 as the main color, on a light and a dark theme.

Light theme

Dark theme

Buttons and bars use #6B4423 as it is. On the dark theme, #6B4423 is too hard to read as text (2.09:1), so links, the badge and outline text use #A27756 there (4.49:1). Build a full color scheme around it in the UI color preview.

Color harmonies for Kobicha

These schemes turn the hue of #6B4423 around the color wheel. Each swatch links to its own page.

Complementary

Two colors on opposite sides of the wheel. This gives the most contrast.

Open palette
this#6B4423#234A6B

Analogous

Hues that sit next to each other and look good together.

Open palette
#6B2326this#6B4423#6B6823

Triadic

Three hues spaced evenly around the wheel. Bold, but still balanced.

Open palette
this#6B4423#236B44#44236B

Split complementary

A base color plus the two hues on each side of its opposite. Strong contrast that clashes less.

Open palette
this#6B4423#236B68#23266B

Tetradic (rectangle)

Two pairs of opposite colors. Let one color lead and use the others less.

Open palette
this#6B4423#4A6B23#234A6B#44236B

Square

Four hues 90Β° apart, spread evenly around the wheel.

Open palette
this#6B4423#266B23#234A6B#68236B

Monochromatic

One hue at different levels of lightness and saturation.

Open palette
#4D3119#8B592E#C38148#D8AC87#ECD7C5

Gradients with Kobicha

Four CSS gradients made from #6B4423. Copy the code, or open one in the gradient generator to change it.

Soft tint

From a pale tint to the full color.

background: linear-gradient(90deg, #E1D7D0, #6B4423);

Edit in the gradient generator

Deep shade

The color fading into a dark shade.

background: linear-gradient(180deg, #6B4423, #180C04);

Edit in the gradient generator

Analogous

Its two neighbors on the color wheel.

background: linear-gradient(135deg, #6B2326, #6B4423, #6B6823);

Edit in the gradient generator

Triadic

A bold blend with a triadic color, through a clean middle.

background: linear-gradient(135deg, #6B4423, #535934, #236B44);

Edit in the gradient generator

Shades, tints and tones of Kobicha

Shades are darker, tints are lighter and tones are grayer. We make them in OKLCH so the steps look even. Hover a step to see its code, or click it to open it.

Design system scale (50 to 950)

Kobicha sits at step 700. Export the full scale as CSS variables or Tailwind tokens from the picker.

  1. 50
    FFF5ED
  2. 100
    FEE8D8
  3. 200
    F2D4BE
  4. 300
    DEB99C
  5. 400
    C49978
  6. 500
    A77C5A
  7. 600
    8A6241
  8. 700
    6B4423
  9. 800
    593B22
  10. 900
    412B18
  11. 950
    261A10

Closest RAL, Tailwind and CSS colors

The nearest match to #6B4423 in three color systems that designers and builders use.

RAL ClassicRAL 8007 Fawn brown#6F4A2F, very close (Ξ”E 2.1)Tailwind CSSyellow-900 #713F12, nearly the same (Ξ”E 1.8)CSS color namessaddlebrown #8B4513, close (Ξ”E 6.3)

Ξ”E is the distance in OKLab: under 2 is hard to see, over 10 is a clearly different color. Browse all RAL colors, the Tailwind palette or the 148 CSS color names. RAL values on screens are only a guide, so check a real color chart before you order paint.

The named colors that look closest to this one (Ξ”E in OKLab). Browse all shades of brown or search the color library.