#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
RGBrgb(13, 55, 78)
HSLhsl(201, 71%, 18%)
HSVhsv(201, 83%, 31%)
CMYKcmyk(83.3%, 29.5%, 0%, 69.4%)
CIE-LABlab(21.46, -5.10, -18.13)
CIE-LCHlch(21.46, 18.84, 254.28°)
OKLaboklab(32.05% -0.0327 -0.0512)
OKLCHoklch(32.05% 0.061 237.4)
XYZxyz(2.9068, 3.3677, 7.7031)
Luminance0.0337 (WCAG relative)
Temperaturecool
Familycyan

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
##0D374E1.0012.551.6712.55
#FFFFFF12.551.0021.001.00
#0000001.6721.001.0021.00
##FFFFFF12.551.0021.001.00

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.

Preview Lab → · Contrast checker → · Palette generator →

#0D374E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva