#03121D#03121D

#03121D is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 17.4% C 0.032 H 240.1°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#03121D
RGB	rgb(3, 18, 29)
HSL	hsl(205, 81%, 6%)
HSV	hsv(205, 90%, 11%)
CMYK	cmyk(89.7%, 37.9%, 0%, 88.6%)
CIE-LAB	lab(4.88, -1.57, -9.01)
CIE-LCH	lch(4.88, 9.14, 260.11°)
OKLab	oklab(17.44% -0.0161 -0.028)
OKLCH	oklch(17.44% 0.032 240.1)
XYZ	xyz(0.4755, 0.5406, 1.2414)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03121D #1D0E03

analogous

#031D1B #03121D #03051D

triadic

#03121D #1D0312 #121D03

tetradic

#03121D #1B031D #1D0E03 #051D03

square

#03121D #1B031D #1D0E03 #051D03

split-complementary

#03121D #1D0305 #1D1B03

monochromatic

#03111C #03111C #03121D #093454 #0E578C

Accessibility & contrast

On white

18.95

#03121D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#03121D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03121D

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03121D	#FFFFFF	#000000	##FFFFFF
##03121D	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D121D

Deuteranopia (green-blind)

#090F1D

Tritanopia (blue-blind)

#001516

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #03121d;
/* rgb */ color: rgb(3, 18, 29);
/* oklch */ color: oklch(17.4% 0.032 240.1);

Tailwind

colors: {
  custom: {
    50: '#475058',
    500: '#03121d',
    950: '#000000',
  },
}

SCSS

$custom: #03121d;
$custom-light: #475058;
$custom-dark: #000000;

JSON

{
  "hex": "#03121d",
  "rgb": {
    "r": 3,
    "g": 18,
    "b": 29
  },
  "hsl": {
    "h": 205.385,
    "s": 81.25,
    "l": 6.275
  },
  "oklch": {
    "l": 0.17441,
    "c": 0.03227,
    "h": 240.1
  },
  "luminance": 0.00541
}

Semantic roles & 50–950 ramp

primary

#03121D

secondary

#61381B

accent

#8530F8

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #03121D

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

Preview Lab → · Contrast checker → · Palette generator →