Photo in the color Dark slate blue
Pictured: Dark slate blue, the closest color we have a photo of (#483D8B)
rgb(57, 82, 125)
#39527D

St. Tropaz #39527D RGB Color Code

Name from the community color list.

St. Tropaz (#39527D) is a muted, dark blue. In RGB it is made of 22% red, 32% green and 49% blue (R 57, G 82, B 125). The blue channel is the strongest. In HSL it has a hue of 218°, 37% saturation and 36% lightness. Its relative luminance is 0.084, so white text is easier to read on top of it. For print, a rough CMYK match is 54% cyan, 34% magenta, 0% yellow and 51% 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

St. Tropaz color codes

#39527D in every common color format. Click a value to copy it.

FormatValueNotesCopy
HEX #39527D Valid CSS
RGB rgb(57, 82, 125) Valid CSS
HSL hsl(218, 37%, 36%) Valid CSS
HSV / HSB hsv(218, 54%, 49%) Not a CSS format
HWB hwb(218 22% 51%) Valid CSS
CMYK cmyk(54%, 34%, 0%, 51%) Approximate (no ICC profile)
OKLCH oklch(43.88% 0.0777 260.77) Valid CSS
OKLab oklab(43.88% -0.0125 -0.0767) Valid CSS
CIELAB lab(34.4% 0.54 -27.7) D50, as in CSS
CIELCH lch(34.4% 27.7 271.11) Valid CSS
Display P3 color(display-p3 0.2443 0.3189 0.4772) Valid CSS
XYZ (D65) color(xyz-d65 0.0841 0.0838 0.2058) Valid CSS
Decimal 3756669 Integer (0xRRGGBB)

CMYK here is a rough screen match without an ICC profile. See CMYK and print. Relative luminance: 0.0839. Nearest web-safe color: #336666.

Mix St. Tropaz with other colors

See what #39527D 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 St. Tropaz in your code

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

WhereCodeCopy
CSS variable--st-tropaz: #39527D;
Sass variable$st-tropaz: #39527D;
Tailwind CSS v4@theme { --color-st-tropaz: #39527D; }
Tailwind CSS v3 configcolors: { 'st-tropaz': '#39527D' }
SwiftUIColor(red: 0.224, green: 0.322, blue: 0.49)
UIKitUIColor(red: 0.224, green: 0.322, blue: 0.49, alpha: 1)
Android XML<color name="st_tropaz">#FF39527D</color>
Flutter and Jetpack ComposeColor(0xFF39527D)

Accessibility and contrast

White text works best on #39527D (7.84:1, AAA). Here is how #39527D does as a text color:

Large heading text
Body text at 16px. The quick brown fox jumps over the lazy dog.
7.84:1 on white
APCA Lc 87
AAA
Large heading text
Body text at 16px. The quick brown fox jumps over the lazy dog.
2.68:1 on black
APCA Lc -15
Fails AATry #5A75A2

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 St. Tropaz

#39527D 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, #39527D and #7D3952 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.

St. Tropaz in a user interface

A sample app screen with #39527D as the main color, on a light and a dark theme.

Light theme

Dark theme

Buttons and bars use #39527D as it is. On the dark theme, #39527D is too hard to read as text (2.26:1), so links, the badge and outline text use #6681AF there (4.50:1). Build a full color scheme around it in the UI color preview.

Color harmonies for St. Tropaz

These schemes turn the hue of #39527D 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 St. Tropaz

Four CSS gradients made from #39527D. 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, #D4DAE5, #39527D);

Edit in the gradient generator

Deep shade

The color fading into a dark shade.

background: linear-gradient(180deg, #39527D, #09111E);

Edit in the gradient generator

Analogous

Its two neighbors on the color wheel.

background: linear-gradient(135deg, #39747D, #39527D, #42397D);

Edit in the gradient generator

Triadic

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

background: linear-gradient(135deg, #39527D, #604868, #7D3952);

Edit in the gradient generator

Shades, tints and tones of St. Tropaz

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)

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

  1. 50
    F2F7FF
  2. 100
    E3EEFF
  3. 200
    C9DCFC
  4. 300
    AAC2EB
  5. 400
    89A4D2
  6. 500
    6B87B5
  7. 600
    526C98
  8. 700
    39527D
  9. 800
    2F4263
  10. 900
    223049
  11. 950
    151D2A

Closest RAL, Tailwind and CSS colors

The nearest match to #39527D 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.