#02313B#02313B

#02313B is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.9% C 0.050 H 216.3°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#02313B
RGB	rgb(2, 49, 59)
HSL	hsl(191, 93%, 12%)
HSV	hsv(191, 97%, 23%)
CMYK	cmyk(96.6%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(18.03, -10.69, -10.59)
CIE-LCH	lch(18.03, 15.05, 224.73°)
OKLab	oklab(28.91% -0.0403 -0.0296)
OKLCH	oklch(28.91% 0.05 216.3)
XYZ	xyz(1.9124, 2.5250, 4.5234)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02313B #3B0C02

analogous

#023B29 #02313B #02153B

triadic

#02313B #3B0231 #313B02

tetradic

#02313B #29023B #3B0C02 #153B02

square

#02313B #29023B #3B0C02 #153B02

split-complementary

#02313B #3B0215 #3B2902

monochromatic

#01191E #01191E #02313B #046276 #0693B1

Accessibility & contrast

On white

13.95

#02313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#02313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02313B

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02313B	#FFFFFF	#000000	##FFFFFF
##02313B	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2F3C

Deuteranopia (green-blind)

#232A3B

Tritanopia (blue-blind)

#003534

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #02313b;
/* rgb */ color: rgb(2, 49, 59);
/* oklch */ color: oklch(28.9% 0.050 216.3);

Tailwind

colors: {
  custom: {
    50: '#4f6971',
    500: '#02313b',
    950: '#000000',
  },
}

SCSS

$custom: #02313b;
$custom-light: #4f6971;
$custom-dark: #000000;

JSON

{
  "hex": "#02313b",
  "rgb": {
    "r": 2,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 190.526,
    "s": 93.443,
    "l": 11.961
  },
  "oklch": {
    "l": 0.28908,
    "c": 0.05003,
    "h": 216.3
  },
  "luminance": 0.02525
}

Semantic roles & 50–950 ramp

primary

#02313B

secondary

#7E2C1A

accent

#4E29FF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #02313B

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

Preview Lab → · Contrast checker → · Palette generator →