#21042F#21042F

#21042F is a very dark, moderate purple. Relative luminance 0.006; OKLCH L 19.4% C 0.084 H 312.2°. Best body text is #FFFFFF at 18.70:1 contrast (WCAG AA passes).

Color values

HEX	#21042F
RGB	rgb(33, 4, 47)
HSL	hsl(280, 84%, 10%)
HSV	hsv(280, 91%, 18%)
CMYK	cmyk(29.8%, 91.5%, 0%, 81.6%)
CIE-LAB	lab(5.56, 22.97, -21.48)
CIE-LCH	lch(5.56, 31.44, 316.92°)
OKLab	oklab(19.42% 0.0565 -0.0623)
OKLCH	oklch(19.42% 0.084 312.2)
XYZ	xyz(1.1836, 0.6154, 2.7452)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21042F #122F04

analogous

#0B042F #21042F #2F0428

triadic

#21042F #2F2104 #042F21

tetradic

#21042F #2F0B04 #122F04 #04282F

square

#21042F #2F0B04 #122F04 #04282F

split-complementary

#21042F #282F04 #042F0B

monochromatic

#14021C #14021C #21042F #490967 #700EA0

Accessibility & contrast

On white

18.70

#21042F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#21042F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21042F

18.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21042F	#FFFFFF	#000000	##FFFFFF
##21042F	1.00	18.70	1.12	18.70
#FFFFFF	18.70	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001130

Deuteranopia (green-blind)

#00132E

Tritanopia (blue-blind)

#1F0D19

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #21042f;
/* rgb */ color: rgb(33, 4, 47);
/* oklch */ color: oklch(19.4% 0.084 312.2);

Tailwind

colors: {
  custom: {
    50: '#5e4868',
    500: '#21042f',
    950: '#000000',
  },
}

SCSS

$custom: #21042f;
$custom-light: #5e4868;
$custom-dark: #000000;

JSON

{
  "hex": "#21042f",
  "rgb": {
    "r": 33,
    "g": 4,
    "b": 47
  },
  "hsl": {
    "h": 280.465,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.1942,
    "c": 0.08407,
    "h": 312.2
  },
  "luminance": 0.00615
}

Semantic roles & 50–950 ramp

primary

#21042F

secondary

#39721D

accent

#FB2D70

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #21042F

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

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