#03151F#03151F

#03151F is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 18.5% C 0.033 H 233.9°. Best body text is #FFFFFF at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#03151F
RGB	rgb(3, 21, 31)
HSL	hsl(201, 82%, 7%)
HSV	hsv(201, 90%, 12%)
CMYK	cmyk(90.3%, 32.3%, 0%, 87.8%)
CIE-LAB	lab(5.91, -2.84, -9.00)
CIE-LCH	lch(5.91, 9.44, 252.50°)
OKLab	oklab(18.55% -0.0192 -0.0264)
OKLCH	oklch(18.55% 0.033 233.9)
XYZ	xyz(0.5529, 0.6546, 1.3933)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03151F #1F0D03

analogous

#031F1B #03151F #03071F

triadic

#03151F #1F0315 #151F03

tetradic

#03151F #1B031F #1F0D03 #071F03

square

#03151F #1B031F #1F0D03 #071F03

split-complementary

#03151F #1F0307 #1F1B03

monochromatic

#03131C #03131C #03151F #083B57 #0E618F

Accessibility & contrast

On white

18.57

#03151F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#03151F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03151F

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03151F	#FFFFFF	#000000	##FFFFFF
##03151F	1.00	18.57	1.13	18.57
#FFFFFF	18.57	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10151F

Deuteranopia (green-blind)

#0C121F

Tritanopia (blue-blind)

#001818

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #03151f;
/* rgb */ color: rgb(3, 21, 31);
/* oklch */ color: oklch(18.5% 0.033 233.9);

Tailwind

colors: {
  custom: {
    50: '#47525a',
    500: '#03151f',
    950: '#000000',
  },
}

SCSS

$custom: #03151f;
$custom-light: #47525a;
$custom-dark: #000000;

JSON

{
  "hex": "#03151f",
  "rgb": {
    "r": 3,
    "g": 21,
    "b": 31
  },
  "hsl": {
    "h": 201.429,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.18546,
    "c": 0.03262,
    "h": 233.9
  },
  "luminance": 0.00655
}

Semantic roles & 50–950 ramp

primary

#03151F

secondary

#63351B

accent

#772FF9

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #03151F

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

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