#21042C#21042C

#21042C is a very dark, moderate purple. Relative luminance 0.006; OKLCH L 19.1% C 0.081 H 315.1°. Best body text is #FFFFFF at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#21042C
RGB	rgb(33, 4, 44)
HSL	hsl(284, 83%, 9%)
HSV	hsv(284, 91%, 17%)
CMYK	cmyk(25%, 90.9%, 0%, 82.7%)
CIE-LAB	lab(5.35, 21.94, -19.56)
CIE-LCH	lch(5.35, 29.39, 318.28°)
OKLab	oklab(19.14% 0.0572 -0.057)
OKLCH	oklch(19.14% 0.081 315.1)
XYZ	xyz(1.1252, 0.5921, 2.4374)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21042C #0F2C04

analogous

#0D042C #21042C #2C0423

triadic

#21042C #2C2104 #042C21

tetradic

#21042C #2C0D04 #0F2C04 #04232C

square

#21042C #2C0D04 #0F2C04 #04232C

split-complementary

#21042C #232C04 #042C0D

monochromatic

#15031C #15031C #21042C #4B0964 #750E9C

Accessibility & contrast

On white

18.78

#21042C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#21042C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21042C

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21042C	#FFFFFF	#000000	##FFFFFF
##21042C	1.00	18.78	1.12	18.78
#FFFFFF	18.78	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102D

Deuteranopia (green-blind)

#03122B

Tritanopia (blue-blind)

#200C17

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #21042c;
/* rgb */ color: rgb(33, 4, 44);
/* oklch */ color: oklch(19.1% 0.081 315.1);

Tailwind

colors: {
  custom: {
    50: '#5e4865',
    500: '#21042c',
    950: '#000000',
  },
}

SCSS

$custom: #21042c;
$custom-light: #5e4865;
$custom-dark: #000000;

JSON

{
  "hex": "#21042c",
  "rgb": {
    "r": 33,
    "g": 4,
    "b": 44
  },
  "hsl": {
    "h": 283.5,
    "s": 83.333,
    "l": 9.412
  },
  "oklch": {
    "l": 0.19142,
    "c": 0.0807,
    "h": 315.1
  },
  "luminance": 0.00592
}

Semantic roles & 50–950 ramp

primary

#21042C

secondary

#346F1D

accent

#FA2E66

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040005

muted

#79777A

Preview Lab

Preview with #21042C

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

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