#21010B#21010B

#21010B is a very dark, moderate pink. Relative luminance 0.004; OKLCH L 16.3% C 0.061 H 3.4°. Best body text is #FFFFFF at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#21010B
RGB	rgb(33, 1, 11)
HSL	hsl(341, 94%, 7%)
HSV	hsv(341, 97%, 13%)
CMYK	cmyk(0%, 97%, 66.7%, 87.1%)
CIE-LAB	lab(3.34, 14.23, 0.73)
CIE-LCH	lch(3.34, 14.25, 2.94°)
OKLab	oklab(16.26% 0.0612 0.0037)
OKLCH	oklch(16.26% 0.061 3.4)
XYZ	xyz(0.6985, 0.3693, 0.3510)
Luminance	0.0037 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21010B #012117

analogous

#21011B #21010B #210701

triadic

#21010B #0B2101 #010B21

tetradic

#21010B #1B2101 #012117 #070121

square

#21010B #1B2101 #012117 #070121

split-complementary

#21010B #012107 #011B21

monochromatic

#1E010A #1E010A #21010B #5C031F #980533

Accessibility & contrast

On white

19.56

#21010B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#21010B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21010B

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21010B	#FFFFFF	#000000	##FFFFFF
##21010B	1.00	19.56	1.07	19.56
#FFFFFF	19.56	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06080B

Deuteranopia (green-blind)

#100F0A

Tritanopia (blue-blind)

#250004

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #21010b;
/* rgb */ color: rgb(33, 1, 11);
/* oklch */ color: oklch(16.3% 0.061 3.4);

Tailwind

colors: {
  custom: {
    50: '#5c474c',
    500: '#21010b',
    950: '#000000',
  },
}

SCSS

$custom: #21010b;
$custom-light: #5c474c;
$custom-dark: #000000;

JSON

{
  "hex": "#21010b",
  "rgb": {
    "r": 33,
    "g": 1,
    "b": 11
  },
  "hsl": {
    "h": 341.25,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.16259,
    "c": 0.06126,
    "h": 3.4
  },
  "luminance": 0.00369
}

Semantic roles & 50–950 ramp

primary

#21010B

secondary

#15684E

accent

#FFBC29

background

#F5F3F4

surface

#E9E5E7

border

#C5C1C3

text

#040001

muted

#797777

Preview Lab

Preview with #21010B

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

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