#21073B#21073B

#21073B is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.1% C 0.093 H 301.5°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#21073B
RGB	rgb(33, 7, 59)
HSL	hsl(270, 79%, 13%)
HSV	hsv(270, 88%, 23%)
CMYK	cmyk(44.1%, 88.1%, 0%, 76.9%)
CIE-LAB	lab(7.14, 25.44, -27.73)
CIE-LCH	lch(7.14, 37.63, 312.54°)
OKLab	oklab(21.09% 0.0485 -0.0793)
OKLCH	oklch(21.09% 0.093 301.5)
XYZ	xyz(1.4924, 0.7910, 4.2109)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21073B #213B07

analogous

#07073B #21073B #3B073B

triadic

#21073B #3B2107 #073B21

tetradic

#21073B #3B0707 #213B07 #073B3B

square

#21073B #3B0707 #213B07 #073B3B

split-complementary

#21073B #3B3B07 #073B07

monochromatic

#0F031B #0F031B #21073B #400D72 #5E14A8

Accessibility & contrast

On white

18.13

#21073B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#21073B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21073B

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21073B	#FFFFFF	#000000	##FFFFFF
##21073B	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153C

Deuteranopia (green-blind)

#00163A

Tritanopia (blue-blind)

#1B1421

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #21073b;
/* rgb */ color: rgb(33, 7, 59);
/* oklch */ color: oklch(21.1% 0.093 301.5);

Tailwind

colors: {
  custom: {
    50: '#604971',
    500: '#21073b',
    950: '#000000',
  },
}

SCSS

$custom: #21073b;
$custom-light: #604971;
$custom-dark: #000000;

JSON

{
  "hex": "#21073b",
  "rgb": {
    "r": 33,
    "g": 7,
    "b": 59
  },
  "hsl": {
    "h": 270,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.21085,
    "c": 0.093,
    "h": 301.5
  },
  "luminance": 0.00791
}

Semantic roles & 50–950 ramp

primary

#21073B

secondary

#4F7A23

accent

#F53394

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #21073B

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

Preview Lab → · Contrast checker → · Palette generator →