#21083A#21083A

#21083A is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.1% C 0.090 H 301.8°. Best body text is #FFFFFF at 18.10:1 contrast (WCAG AA passes).

Color values

HEX	#21083A
RGB	rgb(33, 8, 58)
HSL	hsl(270, 76%, 13%)
HSV	hsv(270, 86%, 23%)
CMYK	cmyk(43.1%, 86.2%, 0%, 77.3%)
CIE-LAB	lab(7.25, 24.58, -26.84)
CIE-LCH	lch(7.25, 36.39, 312.48°)
OKLab	oklab(21.13% 0.0476 -0.0767)
OKLCH	oklch(21.13% 0.09 301.8)
XYZ	xyz(1.4776, 0.8025, 4.0792)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21083A #213A08

analogous

#08083A #21083A #3A083A

triadic

#21083A #3A2108 #083A21

tetradic

#21083A #3A0808 #213A08 #083A3A

square

#21083A #3A0808 #213A08 #083A3A

split-complementary

#21083A #3A3A08 #083A08

monochromatic

#0F041B #0F041B #21083A #400F70 #5E17A6

Accessibility & contrast

On white

18.10

#21083A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#21083A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21083A

18.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21083A	#FFFFFF	#000000	##FFFFFF
##21083A	1.00	18.10	1.16	18.10
#FFFFFF	18.10	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163B

Deuteranopia (green-blind)

#001639

Tritanopia (blue-blind)

#1C1520

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #21083a;
/* rgb */ color: rgb(33, 8, 58);
/* oklch */ color: oklch(21.1% 0.090 301.8);

Tailwind

colors: {
  custom: {
    50: '#5f4a71',
    500: '#21083a',
    950: '#000000',
  },
}

SCSS

$custom: #21083a;
$custom-light: #5f4a71;
$custom-dark: #000000;

JSON

{
  "hex": "#21083a",
  "rgb": {
    "r": 33,
    "g": 8,
    "b": 58
  },
  "hsl": {
    "h": 270,
    "s": 75.758,
    "l": 12.941
  },
  "oklch": {
    "l": 0.21132,
    "c": 0.09025,
    "h": 301.8
  },
  "luminance": 0.00802
}

Semantic roles & 50–950 ramp

primary

#21083A

secondary

#4F7925

accent

#F23594

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050107

muted

#79777A

Preview Lab

Preview with #21083A

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

Preview Lab → · Contrast checker → · Palette generator →