#21042E#21042E

#21042E is a very dark, moderate purple. Relative luminance 0.006; OKLCH L 19.3% C 0.083 H 313.1°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#21042E
RGB	rgb(33, 4, 46)
HSL	hsl(281, 84%, 10%)
HSV	hsv(281, 91%, 18%)
CMYK	cmyk(28.3%, 91.3%, 0%, 82%)
CIE-LAB	lab(5.49, 22.62, -20.84)
CIE-LCH	lch(5.49, 30.76, 317.35°)
OKLab	oklab(19.33% 0.0567 -0.0605)
OKLCH	oklch(19.33% 0.083 313.1)
XYZ	xyz(1.1637, 0.6075, 2.6402)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21042E #112E04

analogous

#0C042E #21042E #2E0426

triadic

#21042E #2E2104 #042E21

tetradic

#21042E #2E0C04 #112E04 #04262E

square

#21042E #2E0C04 #112E04 #04262E

split-complementary

#21042E #262E04 #042E0C

monochromatic

#14021C #14021C #21042E #490966 #720E9F

Accessibility & contrast

On white

18.73

#21042E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#21042E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21042E

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21042E	#FFFFFF	#000000	##FFFFFF
##21042E	1.00	18.73	1.12	18.73
#FFFFFF	18.73	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112F

Deuteranopia (green-blind)

#01132D

Tritanopia (blue-blind)

#200D18

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #21042e;
/* rgb */ color: rgb(33, 4, 46);
/* oklch */ color: oklch(19.3% 0.083 313.1);

Tailwind

colors: {
  custom: {
    50: '#5e4867',
    500: '#21042e',
    950: '#000000',
  },
}

SCSS

$custom: #21042e;
$custom-light: #5e4867;
$custom-dark: #000000;

JSON

{
  "hex": "#21042e",
  "rgb": {
    "r": 33,
    "g": 4,
    "b": 46
  },
  "hsl": {
    "h": 281.429,
    "s": 84,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19326,
    "c": 0.08294,
    "h": 313.1
  },
  "luminance": 0.00607
}

Semantic roles & 50–950 ramp

primary

#21042E

secondary

#37711D

accent

#FA2E6D

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #21042E

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

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