#21011B#21011B

#21011B is a very dark, moderate pink. Relative luminance 0.004; OKLCH L 17.1% C 0.072 H 336.3°. Best body text is #FFFFFF at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#21011B
RGB	rgb(33, 1, 27)
HSL	hsl(311, 94%, 7%)
HSV	hsv(311, 97%, 13%)
CMYK	cmyk(0%, 97%, 18.2%, 87.1%)
CIE-LAB	lab(3.83, 17.72, -8.71)
CIE-LCH	lch(3.83, 19.74, 333.84°)
OKLab	oklab(17.15% 0.0656 -0.0287)
OKLCH	oklch(17.15% 0.072 336.3)
XYZ	xyz(0.8359, 0.4243, 1.0746)
Luminance	0.0042 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21011B #012107

analogous

#170121 #21011B #21010B

triadic

#21011B #1B2101 #011B21

tetradic

#21011B #211701 #012107 #010B21

square

#21011B #211701 #012107 #010B21

split-complementary

#21011B #0B2101 #012117

monochromatic

#1E0118 #1E0118 #21011B #5C034C #98057C

Accessibility & contrast

On white

19.36

#21011B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#21011B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21011B

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21011B	#FFFFFF	#000000	##FFFFFF
##21011B	1.00	19.36	1.08	19.36
#FFFFFF	19.36	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010A1C

Deuteranopia (green-blind)

#0B101A

Tritanopia (blue-blind)

#23020C

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #21011b;
/* rgb */ color: rgb(33, 1, 27);
/* oklch */ color: oklch(17.1% 0.072 336.3);

Tailwind

colors: {
  custom: {
    50: '#5c4657',
    500: '#21011b',
    950: '#000000',
  },
}

SCSS

$custom: #21011b;
$custom-light: #5c4657;
$custom-dark: #000000;

JSON

{
  "hex": "#21011b",
  "rgb": {
    "r": 33,
    "g": 1,
    "b": 27
  },
  "hsl": {
    "h": 311.25,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.17147,
    "c": 0.0716,
    "h": 336.3
  },
  "luminance": 0.00424
}

Semantic roles & 50–950 ramp

primary

#21011B

secondary

#156825

accent

#FF5129

background

#F5F3F5

surface

#E9E5E9

border

#C5C1C5

text

#040003

muted

#797778

Preview Lab

Preview with #21011B

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

Preview Lab → · Contrast checker → · Palette generator →