#0D374E#0D374E

#0D374E is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.1% C 0.061 H 237.4°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#0D374E
RGB	rgb(13, 55, 78)
HSL	hsl(201, 71%, 18%)
HSV	hsv(201, 83%, 31%)
CMYK	cmyk(83.3%, 29.5%, 0%, 69.4%)
CIE-LAB	lab(21.46, -5.10, -18.13)
CIE-LCH	lch(21.46, 18.84, 254.28°)
OKLab	oklab(32.05% -0.0327 -0.0512)
OKLCH	oklch(32.05% 0.061 237.4)
XYZ	xyz(2.9068, 3.3677, 7.7031)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D374E #4E240D

analogous

#0D4E44 #0D374E #0D164E

triadic

#0D374E #4E0D37 #374E0D

tetradic

#0D374E #440D4E #4E240D #164E0D

square

#0D374E #440D4E #4E240D #164E0D

split-complementary

#0D374E #4E0D16 #4E440D

monochromatic

#04121A #04121A #0D374E #165C82 #1E81B7

Accessibility & contrast

On white

12.55

#0D374E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#0D374E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D374E

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D374E	#FFFFFF	#000000	##FFFFFF
##0D374E	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C374F

Deuteranopia (green-blind)

#23314E

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0d374e;
/* rgb */ color: rgb(13, 55, 78);
/* oklch */ color: oklch(32.1% 0.061 237.4);

Tailwind

colors: {
  custom: {
    50: '#576d7f',
    500: '#0d374e',
    950: '#000000',
  },
}

SCSS

$custom: #0d374e;
$custom-light: #576d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#0d374e",
  "rgb": {
    "r": 13,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 201.231,
    "s": 71.429,
    "l": 17.843
  },
  "oklch": {
    "l": 0.32051,
    "c": 0.06074,
    "h": 237.4
  },
  "luminance": 0.03368
}

Semantic roles & 50–950 ramp

primary

#0D374E

secondary

#894E2E

accent

#7A3AEE

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0D374E

Body copy rendered with the generated semantic roles for this colour.

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