#21083B#21083B

#21083B is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.2% C 0.092 H 301.1°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#21083B
RGB	rgb(33, 8, 59)
HSL	hsl(269, 76%, 13%)
HSV	hsv(269, 86%, 23%)
CMYK	cmyk(44.1%, 86.4%, 0%, 76.9%)
CIE-LAB	lab(7.34, 24.90, -27.41)
CIE-LCH	lch(7.34, 37.03, 312.25°)
OKLab	oklab(21.23% 0.0473 -0.0783)
OKLCH	oklch(21.23% 0.092 301.1)
XYZ	xyz(1.5033, 0.8128, 4.2145)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21083B #223B08

analogous

#08083B #21083B #3A083B

triadic

#21083B #3B2108 #083B21

tetradic

#21083B #3B0808 #223B08 #083B3A

square

#21083B #3B0808 #223B08 #083B3A

split-complementary

#21083B #3B3A08 #083B08

monochromatic

#0F041B #0F041B #21083B #3F0F71 #5D17A7

Accessibility & contrast

On white

18.06

#21083B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#21083B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21083B

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21083B	#FFFFFF	#000000	##FFFFFF
##21083B	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163C

Deuteranopia (green-blind)

#00163A

Tritanopia (blue-blind)

#1B1521

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #21083b;
/* rgb */ color: rgb(33, 8, 59);
/* oklch */ color: oklch(21.2% 0.092 301.1);

Tailwind

colors: {
  custom: {
    50: '#604a71',
    500: '#21083b',
    950: '#000000',
  },
}

SCSS

$custom: #21083b;
$custom-light: #604a71;
$custom-dark: #000000;

JSON

{
  "hex": "#21083b",
  "rgb": {
    "r": 33,
    "g": 8,
    "b": 59
  },
  "hsl": {
    "h": 269.412,
    "s": 76.119,
    "l": 13.137
  },
  "oklch": {
    "l": 0.21232,
    "c": 0.09151,
    "h": 301.1
  },
  "luminance": 0.00813
}

Semantic roles & 50–950 ramp

primary

#21083B

secondary

#507A25

accent

#F33596

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #21083B

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

Preview Lab → · Contrast checker → · Palette generator →