Photo in the color Saint Patrick blue
Pictured: Saint Patrick blue, the closest color we have a photo of (#23297A)
rgb(45, 68, 112)
#2D4470

Blue Funk #2D4470 RGB Color Code

Name from the community color list.

Blue Funk (#2D4470) is a moderately saturated, dark blue. In RGB it is made of 18% red, 27% green and 44% blue (R 45, G 68, B 112). The blue channel is the strongest. In HSL it has a hue of 219°, 43% saturation and 31% lightness. Its relative luminance is 0.059, so white text is easier to read on top of it. For print, a rough CMYK match is 60% cyan, 39% magenta, 0% yellow and 56% black. Check it against your printer's ICC profile before you print. It is a cool color. It goes well with warm oranges and reds for contrast. For a calm, matching look, use nearby cool tones.

Open in color picker

Blue Funk color codes

#2D4470 in every common color format. Click a value to copy it.

FormatValueNotesCopy
HEX #2D4470 Valid CSS
RGB rgb(45, 68, 112) Valid CSS
HSL hsl(219, 43%, 31%) Valid CSS
HSV / HSB hsv(219, 60%, 44%) Not a CSS format
HWB hwb(219 18% 56%) Valid CSS
CMYK cmyk(60%, 39%, 0%, 56%) Approximate (no ICC profile)
OKLCH oklch(39.02% 0.0805 262.37) Valid CSS
OKLab oklab(39.02% -0.0107 -0.0797) Valid CSS
CIELAB lab(28.67% 2.11 -28.65) D50, as in CSS
CIELCH lch(28.67% 28.73 274.21) Valid CSS
Display P3 color(display-p3 0.1959 0.2642 0.4264) Valid CSS
XYZ (D65) color(xyz-d65 0.0607 0.0586 0.1614) Valid CSS
Decimal 2966640 Integer (0xRRGGBB)

CMYK here is a rough screen match without an ICC profile. See CMYK and print. Relative luminance: 0.0586. Nearest web-safe color: #333366.

Mix Blue Funk with other colors

See what #2D4470 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.

Use Blue Funk in your code

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

WhereCodeCopy
CSS variable--blue-funk: #2D4470;
Sass variable$blue-funk: #2D4470;
Tailwind CSS v4@theme { --color-blue-funk: #2D4470; }
Tailwind CSS v3 configcolors: { 'blue-funk': '#2D4470' }
SwiftUIColor(red: 0.176, green: 0.267, blue: 0.439)
UIKitUIColor(red: 0.176, green: 0.267, blue: 0.439, alpha: 1)
Android XML<color name="blue_funk">#FF2D4470</color>
Flutter and Jetpack ComposeColor(0xFF2D4470)

Accessibility and contrast

White text works best on #2D4470 (9.67:1, AAA). Here is how #2D4470 does as a text color:

Large heading text
Body text at 16px. The quick brown fox jumps over the lazy dog.
9.67:1 on white
APCA Lc 92
AAA
Large heading text
Body text at 16px. The quick brown fox jumps over the lazy dog.
2.17:1 on black
APCA Lc -10
Fails AATry #5B74A4

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 Blue Funk

#2D4470 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 protanopia, #2D4470 and #702D44 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.

Blue Funk in a user interface

A sample app screen with #2D4470 as the main color, on a light and a dark theme.

Light theme

Dark theme

Buttons and bars use #2D4470 as it is. On the dark theme, #2D4470 is too hard to read as text (1.84:1), so links, the badge and outline text use #6681B1 there (4.52:1). Build a full color scheme around it in the UI color preview.

Color harmonies for Blue Funk

These schemes turn the hue of #2D4470 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

Analogous

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

Open palette

Triadic

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

Open palette

Split complementary

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

Open palette

Tetradic (rectangle)

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

Open palette

Square

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

Open palette

Monochromatic

One hue at different levels of lightness and saturation.

Open palette

Gradients with Blue Funk

Four CSS gradients made from #2D4470. 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, #D1D7E2, #2D4470);

Edit in the gradient generator

Deep shade

The color fading into a dark shade.

background: linear-gradient(180deg, #2D4470, #060C1A);

Edit in the gradient generator

Analogous

Its two neighbors on the color wheel.

background: linear-gradient(135deg, #2D6670, #2D4470, #382D70);

Edit in the gradient generator

Triadic

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

background: linear-gradient(135deg, #2D4470, #533C5B, #702D44);

Edit in the gradient generator

Shades, tints and tones of Blue Funk

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)

Blue Funk sits at step 800. Export the full scale as CSS variables or Tailwind tokens from the picker.

  1. 50
    F3F7FF
  2. 100
    E4EDFF
  3. 200
    C9DCFD
  4. 300
    AAC2EC
  5. 400
    89A3D4
  6. 500
    6C86B7
  7. 600
    536C9A
  8. 700
    3F557E
  9. 800
    2D4470
  10. 900
    22304A
  11. 950
    151D2B

Closest RAL, Tailwind and CSS colors

The nearest match to #2D4470 in three color systems that designers and builders use.

ΔE 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 (ΔE in OKLab). Browse all shades of blue or search the color library.