#01151B#01151B

#01151B is a very dark, muted cyan. Relative luminance 0.006; OKLCH L 18.1% C 0.031 H 218.5°. Best body text is #FFFFFF at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#01151B
RGB	rgb(1, 21, 27)
HSL	hsl(194, 93%, 5%)
HSV	hsv(194, 96%, 11%)
CMYK	cmyk(96.3%, 22.2%, 0%, 89.4%)
CIE-LAB	lab(5.62, -4.62, -6.37)
CIE-LCH	lch(5.62, 7.87, 234.08°)
OKLab	oklab(18.14% -0.0242 -0.0192)
OKLCH	oklch(18.14% 0.031 218.5)
XYZ	xyz(0.4784, 0.6219, 1.1315)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01151B #1B0701

analogous

#011B14 #01151B #01081B

triadic

#01151B #1B0115 #151B01

tetradic

#01151B #14011B #1B0701 #081B01

square

#01151B #14011B #1B0701 #081B01

split-complementary

#01151B #1B0108 #1B1401

monochromatic

#01171E #01171E #01171E #034356 #057191

Accessibility & contrast

On white

18.68

#01151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#01151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01151B

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01151B	#FFFFFF	#000000	##FFFFFF
##01151B	1.00	18.68	1.12	18.68
#FFFFFF	18.68	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11141B

Deuteranopia (green-blind)

#0D111B

Tritanopia (blue-blind)

#001717

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #01151b;
/* rgb */ color: rgb(1, 21, 27);
/* oklch */ color: oklch(18.1% 0.031 218.5);

Tailwind

colors: {
  custom: {
    50: '#465257',
    500: '#01151b',
    950: '#000000',
  },
}

SCSS

$custom: #01151b;
$custom-light: #465257;
$custom-dark: #000000;

JSON

{
  "hex": "#01151b",
  "rgb": {
    "r": 1,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 193.846,
    "s": 92.857,
    "l": 5.49
  },
  "oklch": {
    "l": 0.18136,
    "c": 0.03087,
    "h": 218.5
  },
  "luminance": 0.00622
}

Semantic roles & 50–950 ramp

primary

#01151B

secondary

#632715

accent

#5A29FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000203

muted

#767878

Preview Lab

Preview with #01151B

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

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