#02151B#02151B

#02151B is a very dark, muted cyan. Relative luminance 0.006; OKLCH L 18.2% C 0.029 H 219.7°. Best body text is #FFFFFF at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#02151B
RGB	rgb(2, 21, 27)
HSL	hsl(194, 86%, 6%)
HSV	hsv(194, 93%, 11%)
CMYK	cmyk(92.6%, 22.2%, 0%, 89.4%)
CIE-LAB	lab(5.68, -4.35, -6.28)
CIE-LCH	lch(5.68, 7.64, 235.27°)
OKLab	oklab(18.22% -0.0227 -0.0189)
OKLCH	oklch(18.22% 0.03 219.7)
XYZ	xyz(0.4909, 0.6283, 1.1321)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02151B #1B0802

analogous

#021B14 #02151B #02081B

triadic

#02151B #1B0215 #151B02

tetradic

#02151B #14021B #1B0802 #081B02

square

#02151B #14021B #1B0802 #081B02

split-complementary

#02151B #1B0208 #1B1402

monochromatic

#02161C #02161C #02161C #064154 #0A6E8D

Accessibility & contrast

On white

18.66

#02151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#02151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02151B

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02151B	#FFFFFF	#000000	##FFFFFF
##02151B	1.00	18.66	1.13	18.66
#FFFFFF	18.66	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11141B

Deuteranopia (green-blind)

#0D111B

Tritanopia (blue-blind)

#001717

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #02151b;
/* rgb */ color: rgb(2, 21, 27);
/* oklch */ color: oklch(18.2% 0.029 219.7);

Tailwind

colors: {
  custom: {
    50: '#475257',
    500: '#02151b',
    950: '#000000',
  },
}

SCSS

$custom: #02151b;
$custom-light: #475257;
$custom-dark: #000000;

JSON

{
  "hex": "#02151b",
  "rgb": {
    "r": 2,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 194.4,
    "s": 86.207,
    "l": 5.686
  },
  "oklch": {
    "l": 0.18217,
    "c": 0.0295,
    "h": 219.7
  },
  "luminance": 0.00628
}

Semantic roles & 50–950 ramp

primary

#02151B

secondary

#612918

accent

#5E2BFC

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #02151B

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

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