#210731#210731

#210731 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.1% C 0.081 H 309.3°. Best body text is #FFFFFF at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#210731
RGB	rgb(33, 7, 49)
HSL	hsl(277, 75%, 11%)
HSV	hsv(277, 86%, 19%)
CMYK	cmyk(32.7%, 85.7%, 0%, 80.8%)
CIE-LAB	lab(6.30, 22.15, -21.78)
CIE-LCH	lch(6.30, 31.07, 315.47°)
OKLab	oklab(20.11% 0.0511 -0.0624)
OKLCH	oklch(20.11% 0.081 309.3)
XYZ	xyz(1.2574, 0.6971, 2.9734)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210731 #173107

analogous

#0C0731 #210731 #31072C

triadic

#210731 #312107 #073121

tetradic

#210731 #310C07 #173107 #072C31

square

#210731 #310C07 #173107 #072C31

split-complementary

#210731 #2C3107 #07310C

monochromatic

#12041B #12041B #210731 #450F67 #69169C

Accessibility & contrast

On white

18.43

#210731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#210731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210731

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210731	#FFFFFF	#000000	##FFFFFF
##210731	1.00	18.43	1.14	18.43
#FFFFFF	18.43	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001332

Deuteranopia (green-blind)

#011430

Tritanopia (blue-blind)

#1F101B

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #210731;
/* rgb */ color: rgb(33, 7, 49);
/* oklch */ color: oklch(20.1% 0.081 309.3);

Tailwind

colors: {
  custom: {
    50: '#5e4969',
    500: '#210731',
    950: '#000000',
  },
}

SCSS

$custom: #210731;
$custom-light: #5e4969;
$custom-dark: #000000;

JSON

{
  "hex": "#210731",
  "rgb": {
    "r": 33,
    "g": 7,
    "b": 49
  },
  "hsl": {
    "h": 277.143,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.20114,
    "c": 0.08065,
    "h": 309.3
  },
  "luminance": 0.00697
}

Semantic roles & 50–950 ramp

primary

#210731

secondary

#417123

accent

#F2367E

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040106

muted

#79777A

Preview Lab

Preview with #210731

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

Preview Lab → · Contrast checker → · Palette generator →