#00131B#00131B

#00131B is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 17.4% C 0.033 H 225.1°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#00131B
RGB	rgb(0, 19, 27)
HSL	hsl(198, 100%, 5%)
HSV	hsv(198, 100%, 11%)
CMYK	cmyk(100%, 29.6%, 0%, 89.4%)
CIE-LAB	lab(4.92, -3.57, -7.41)
CIE-LCH	lch(4.92, 8.23, 244.27°)
OKLab	oklab(17.37% -0.0232 -0.0233)
OKLCH	oklch(17.37% 0.033 225.1)
XYZ	xyz(0.4306, 0.5448, 1.1192)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00131B #1B0800

analogous

#001B15 #00131B #00051B

triadic

#00131B #1B0013 #131B00

tetradic

#00131B #15001B #1B0800 #051B00

square

#00131B #15001B #1B0800 #051B00

split-complementary

#00131B #1B0005 #1B1500

monochromatic

#00161F #00161F #00161F #003E58 #006995

Accessibility & contrast

On white

18.94

#00131B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#00131B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00131B

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00131B	#FFFFFF	#000000	##FFFFFF
##00131B	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F121B

Deuteranopia (green-blind)

#0A0F1B

Tritanopia (blue-blind)

#001516

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #00131b;
/* rgb */ color: rgb(0, 19, 27);
/* oklch */ color: oklch(17.4% 0.033 225.1);

Tailwind

colors: {
  custom: {
    50: '#465057',
    500: '#00131b',
    950: '#000000',
  },
}

SCSS

$custom: #00131b;
$custom-light: #465057;
$custom-dark: #000000;

JSON

{
  "hex": "#00131b",
  "rgb": {
    "r": 0,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 197.778,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.17374,
    "c": 0.03295,
    "h": 225.1
  },
  "luminance": 0.00545
}

Semantic roles & 50–950 ramp

primary

#00131B

secondary

#652A12

accent

#6829FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000203

muted

#767878

Preview Lab

Preview with #00131B

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

Preview Lab → · Contrast checker → · Palette generator →