#0D313F#0D313F

#0D313F is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.047 H 227.7°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#0D313F
RGB	rgb(13, 49, 63)
HSL	hsl(197, 66%, 15%)
HSV	hsv(197, 79%, 25%)
CMYK	cmyk(79.4%, 22.2%, 0%, 75.3%)
CIE-LAB	lab(18.54, -7.25, -12.52)
CIE-LCH	lch(18.54, 14.47, 239.95°)
OKLab	oklab(29.48% -0.0319 -0.0351)
OKLCH	oklch(29.48% 0.047 227.7)
XYZ	xyz(2.1611, 2.6408, 5.0975)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D313F #3F1B0D

analogous

#0D3F34 #0D313F #0D183F

triadic

#0D313F #3F0D31 #313F0D

tetradic

#0D313F #340D3F #3F1B0D #183F0D

square

#0D313F #340D3F #3F1B0D #183F0D

split-complementary

#0D313F #3F0D18 #3F340D

monochromatic

#051419 #051419 #0D313F #175872 #2280A4

Accessibility & contrast

On white

13.74

#0D313F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0D313F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D313F

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D313F	#FFFFFF	#000000	##FFFFFF
##0D313F	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3040

Deuteranopia (green-blind)

#232B3F

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0d313f;
/* rgb */ color: rgb(13, 49, 63);
/* oklch */ color: oklch(29.5% 0.047 227.7);

Tailwind

colors: {
  custom: {
    50: '#546974',
    500: '#0d313f',
    950: '#000000',
  },
}

SCSS

$custom: #0d313f;
$custom-light: #546974;
$custom-dark: #000000;

JSON

{
  "hex": "#0d313f",
  "rgb": {
    "r": 13,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 196.8,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.29475,
    "c": 0.04744,
    "h": 227.7
  },
  "luminance": 0.02641
}

Semantic roles & 50–950 ramp

primary

#0D313F

secondary

#7B432D

accent

#6F3FE9

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0D313F

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

Preview Lab → · Contrast checker → · Palette generator →