#21102C#21102C

#21102C is a very dark, muted violet. Relative luminance 0.009; OKLCH L 21.3% C 0.057 H 310.5°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#21102C
RGB	rgb(33, 16, 44)
HSL	hsl(276, 47%, 12%)
HSV	hsv(276, 64%, 17%)
CMYK	cmyk(25%, 63.6%, 0%, 82.7%)
CIE-LAB	lab(7.91, 15.49, -15.50)
CIE-LCH	lch(7.91, 21.91, 314.98°)
OKLab	oklab(21.26% 0.037 -0.0434)
OKLCH	oklch(21.26% 0.057 310.5)
XYZ	xyz(1.2670, 0.8758, 2.4847)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21102C #1B2C10

analogous

#13102C #21102C #2C1029

triadic

#21102C #2C2110 #102C21

tetradic

#21102C #2C1310 #1B2C10 #10292C

square

#21102C #2C1310 #1B2C10 #10292C

split-complementary

#21102C #292C10 #102C13

monochromatic

#110816 #110816 #21102C #432059 #643186

Accessibility & contrast

On white

17.87

#21102C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#21102C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21102C

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21102C	#FFFFFF	#000000	##FFFFFF
##21102C	1.00	17.87	1.18	17.87
#FFFFFF	17.87	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09172D

Deuteranopia (green-blind)

#0E182B

Tritanopia (blue-blind)

#20151C

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #21102c;
/* rgb */ color: rgb(33, 16, 44);
/* oklch */ color: oklch(21.3% 0.057 310.5);

Tailwind

colors: {
  custom: {
    50: '#5d4e65',
    500: '#21102c',
    950: '#000000',
  },
}

SCSS

$custom: #21102c;
$custom-light: #5d4e65;
$custom-dark: #000000;

JSON

{
  "hex": "#21102c",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 44
  },
  "hsl": {
    "h": 276.429,
    "s": 46.667,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21259,
    "c": 0.057,
    "h": 310.5
  },
  "luminance": 0.00876
}

Semantic roles & 50–950 ramp

primary

#21102C

secondary

#476533

accent

#D65186

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040105

muted

#79777A

Preview Lab

Preview with #21102C

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

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