#21102F#21102F

#21102F is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.5% C 0.061 H 307.3°. Best body text is #FFFFFF at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#21102F
RGB	rgb(33, 16, 47)
HSL	hsl(273, 49%, 12%)
HSV	hsv(273, 66%, 18%)
CMYK	cmyk(29.8%, 66%, 0%, 81.6%)
CIE-LAB	lab(8.12, 16.38, -17.39)
CIE-LCH	lch(8.12, 23.89, 313.28°)
OKLab	oklab(21.48% 0.0373 -0.0489)
OKLCH	oklch(21.48% 0.061 307.3)
XYZ	xyz(1.3255, 0.8992, 2.7925)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21102F #1E2F10

analogous

#12102F #21102F #2F102E

triadic

#21102F #2F2110 #102F21

tetradic

#21102F #2F1210 #1E2F10 #102E2F

square

#21102F #2F1210 #1E2F10 #102E2F

split-complementary

#21102F #2E2F10 #102F12

monochromatic

#100817 #100817 #21102F #41205D #612F8A

Accessibility & contrast

On white

17.80

#21102F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#21102F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21102F

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21102F	#FFFFFF	#000000	##FFFFFF
##21102F	1.00	17.80	1.18	17.80
#FFFFFF	17.80	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061730

Deuteranopia (green-blind)

#0C182E

Tritanopia (blue-blind)

#1F161D

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #21102f;
/* rgb */ color: rgb(33, 16, 47);
/* oklch */ color: oklch(21.5% 0.061 307.3);

Tailwind

colors: {
  custom: {
    50: '#5d4e67',
    500: '#21102f',
    950: '#000000',
  },
}

SCSS

$custom: #21102f;
$custom-light: #5d4e67;
$custom-dark: #000000;

JSON

{
  "hex": "#21102f",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 47
  },
  "hsl": {
    "h": 272.903,
    "s": 49.206,
    "l": 12.353
  },
  "oklch": {
    "l": 0.21483,
    "c": 0.06146,
    "h": 307.3
  },
  "luminance": 0.00899
}

Semantic roles & 50–950 ramp

primary

#21102F

secondary

#4B6833

accent

#D94F8D

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040106

muted

#79777A

Preview Lab

Preview with #21102F

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

Preview Lab → · Contrast checker → · Palette generator →