#0D303D#0D303D

#0D303D is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.1% C 0.046 H 226.4°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#0D303D
RGB	rgb(13, 48, 61)
HSL	hsl(196, 65%, 15%)
HSV	hsv(196, 79%, 24%)
CMYK	cmyk(78.7%, 21.3%, 0%, 76.1%)
CIE-LAB	lab(18.08, -7.39, -11.86)
CIE-LCH	lch(18.08, 13.98, 238.09°)
OKLab	oklab(29.07% -0.0316 -0.0332)
OKLCH	oklch(29.07% 0.046 226.4)
XYZ	xyz(2.0649, 2.5362, 4.7947)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D303D #3D1A0D

analogous

#0D3D32 #0D303D #0D183D

triadic

#0D303D #3D0D30 #303D0D

tetradic

#0D303D #320D3D #3D1A0D #183D0D

square

#0D303D #320D3D #3D1A0D #183D0D

split-complementary

#0D303D #3D0D18 #3D320D

monochromatic

#051419 #051419 #0D303D #18586F #237FA2

Accessibility & contrast

On white

13.93

#0D303D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0D303D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D303D

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D303D	#FFFFFF	#000000	##FFFFFF
##0D303D	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F3E

Deuteranopia (green-blind)

#222A3D

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0d303d;
/* rgb */ color: rgb(13, 48, 61);
/* oklch */ color: oklch(29.1% 0.046 226.4);

Tailwind

colors: {
  custom: {
    50: '#536872',
    500: '#0d303d',
    950: '#000000',
  },
}

SCSS

$custom: #0d303d;
$custom-light: #536872;
$custom-dark: #000000;

JSON

{
  "hex": "#0d303d",
  "rgb": {
    "r": 13,
    "g": 48,
    "b": 61
  },
  "hsl": {
    "h": 196.25,
    "s": 64.865,
    "l": 14.51
  },
  "oklch": {
    "l": 0.29073,
    "c": 0.04583,
    "h": 226.4
  },
  "luminance": 0.02536
}

Semantic roles & 50–950 ramp

primary

#0D303D

secondary

#79422D

accent

#6D40E8

background

#F4F6F6

surface

#E8EBEC

border

#C4C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0D303D

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

Preview Lab → · Contrast checker → · Palette generator →