#02181F#02181F

#02181F is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 19.5% C 0.032 H 220.9°. Best body text is #FFFFFF at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#02181F
RGB	rgb(2, 24, 31)
HSL	hsl(194, 88%, 6%)
HSV	hsv(194, 94%, 12%)
CMYK	cmyk(93.5%, 22.6%, 0%, 87.8%)
CIE-LAB	lab(6.91, -5.25, -7.49)
CIE-LCH	lch(6.91, 9.15, 234.96°)
OKLab	oklab(19.45% -0.0245 -0.0212)
OKLCH	oklch(19.45% 0.032 220.9)
XYZ	xyz(0.5989, 0.7650, 1.4122)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02181F #1F0902

analogous

#021F18 #02181F #020A1F

triadic

#02181F #1F0218 #181F02

tetradic

#02181F #18021F #1F0902 #0A1F02

square

#02181F #18021F #1F0902 #0A1F02

split-complementary

#02181F #1F020A #1F1802

monochromatic

#02161D #02161D #02181F #064558 #097192

Accessibility & contrast

On white

18.21

#02181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#02181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02181F

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02181F	#FFFFFF	#000000	##FFFFFF
##02181F	1.00	18.21	1.15	18.21
#FFFFFF	18.21	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14171F

Deuteranopia (green-blind)

#0F141F

Tritanopia (blue-blind)

#001A1A

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #02181f;
/* rgb */ color: rgb(2, 24, 31);
/* oklch */ color: oklch(19.5% 0.032 220.9);

Tailwind

colors: {
  custom: {
    50: '#47545a',
    500: '#02181f',
    950: '#000000',
  },
}

SCSS

$custom: #02181f;
$custom-light: #47545a;
$custom-dark: #000000;

JSON

{
  "hex": "#02181f",
  "rgb": {
    "r": 2,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 194.483,
    "s": 87.879,
    "l": 6.471
  },
  "oklch": {
    "l": 0.19453,
    "c": 0.03243,
    "h": 220.9
  },
  "luminance": 0.00765
}

Semantic roles & 50–950 ramp

primary

#02181F

secondary

#652B18

accent

#5D2AFE

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #02181F

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

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