#21001B#21001B

#21001B is a very dark, moderate pink. Relative luminance 0.004; OKLCH L 16.9% C 0.075 H 336.2°. Best body text is #FFFFFF at 19.44:1 contrast (WCAG AA passes).

Color values

HEX	#21001B
RGB	rgb(33, 0, 27)
HSL	hsl(311, 100%, 6%)
HSV	hsv(311, 100%, 13%)
CMYK	cmyk(0%, 100%, 18.2%, 87.1%)
CIE-LAB	lab(3.64, 18.12, -9.00)
CIE-LCH	lch(3.64, 20.23, 333.60°)
OKLab	oklab(16.92% 0.0684 -0.0302)
OKLCH	oklch(16.92% 0.075 336.2)
XYZ	xyz(0.8250, 0.4025, 1.0709)
Luminance	0.0040 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21001B #002106

analogous

#170021 #21001B #21000B

triadic

#21001B #1B2100 #001B21

tetradic

#21001B #211700 #002106 #000B21

square

#21001B #211700 #002106 #000B21

split-complementary

#21001B #0B2100 #002117

monochromatic

#1F0019 #1F0019 #21001B #5E004D #9B007F

Accessibility & contrast

On white

19.44

#21001B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#21001B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21001B

19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21001B	#FFFFFF	#000000	##FFFFFF
##21001B	1.00	19.44	1.08	19.44
#FFFFFF	19.44	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00091C

Deuteranopia (green-blind)

#0A0F1A

Tritanopia (blue-blind)

#23010B

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #21001b;
/* rgb */ color: rgb(33, 0, 27);
/* oklch */ color: oklch(16.9% 0.075 336.2);

Tailwind

colors: {
  custom: {
    50: '#5c4657',
    500: '#21001b',
    950: '#000000',
  },
}

SCSS

$custom: #21001b;
$custom-light: #5c4657;
$custom-dark: #000000;

JSON

{
  "hex": "#21001b",
  "rgb": {
    "r": 33,
    "g": 0,
    "b": 27
  },
  "hsl": {
    "h": 310.909,
    "s": 100,
    "l": 6.471
  },
  "oklch": {
    "l": 0.16916,
    "c": 0.0748,
    "h": 336.2
  },
  "luminance": 0.00402
}

Semantic roles & 50–950 ramp

primary

#21001B

secondary

#136A23

accent

#FF5029

background

#F5F3F5

surface

#E9E5E9

border

#C5C1C5

text

#040003

muted

#797778

Preview Lab

Preview with #21001B

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

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