#02182B#02182B

#02182B is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.3% C 0.048 H 246.4°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#02182B
RGB	rgb(2, 24, 43)
HSL	hsl(208, 91%, 9%)
HSV	hsv(208, 95%, 17%)
CMYK	cmyk(95.3%, 44.2%, 0%, 83.1%)
CIE-LAB	lab(7.59, -0.47, -15.45)
CIE-LCH	lch(7.59, 15.45, 268.27°)
OKLab	oklab(20.27% -0.0192 -0.044)
OKLCH	oklch(20.27% 0.048 246.4)
XYZ	xyz(0.7875, 0.8405, 2.4058)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02182B #2B1502

analogous

#022B2A #02182B #02042B

triadic

#02182B #2B0218 #182B02

tetradic

#02182B #2A022B #2B1502 #042B02

square

#02182B #2A022B #2B1502 #042B02

split-complementary

#02182B #2B0204 #2B2A02

monochromatic

#01101D #01101D #02182B #053965 #0759A0

Accessibility & contrast

On white

17.98

#02182B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#02182B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02182B

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02182B	#FFFFFF	#000000	##FFFFFF
##02182B	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F192C

Deuteranopia (green-blind)

#08152B

Tritanopia (blue-blind)

#001D1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #02182b;
/* rgb */ color: rgb(2, 24, 43);
/* oklch */ color: oklch(20.3% 0.048 246.4);

Tailwind

colors: {
  custom: {
    50: '#495464',
    500: '#02182b',
    950: '#000000',
  },
}

SCSS

$custom: #02182b;
$custom-light: #495464;
$custom-dark: #000000;

JSON

{
  "hex": "#02182b",
  "rgb": {
    "r": 2,
    "g": 24,
    "b": 43
  },
  "hsl": {
    "h": 207.805,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.20271,
    "c": 0.04806,
    "h": 246.4
  },
  "luminance": 0.00841
}

Semantic roles & 50–950 ramp

primary

#02182B

secondary

#704119

accent

#8C29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #02182B

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

Preview Lab → · Contrast checker → · Palette generator →