#631A8D#631A8D

#631A8D is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.177 H 309.0°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX#631A8D
RGBrgb(99, 26, 141)
HSLhsl(278, 69%, 33%)
HSVhsv(278, 82%, 55%)
CMYKcmyk(29.8%, 81.6%, 0%, 44.7%)
CIE-LABlab(27.61, 50.56, -48.37)
CIE-LCHlch(27.61, 69.97, 316.27°)
OKLaboklab(39.89% 0.1114 -0.1374)
OKLCHoklch(39.89% 0.177 309)
XYZxyz(10.3217, 5.3147, 25.6762)
Luminance0.0532 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631A8D #448D1A
analogous
#2A1A8D #631A8D #8D1A7D
triadic
#631A8D #8D631A #1A8D63
tetradic
#631A8D #8D2A1A #448D1A #1A7D8D
square
#631A8D #8D2A1A #448D1A #1A7D8D
split-complementary
#631A8D #7D8D1A #1A8D2A
monochromatic
#1A0726 #3F1059 #631A8D #8724C1 #A545DD

Accessibility & contrast

On white

10.18
#631A8D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#631A8D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A8D
10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631A8D#FFFFFF#000000##FFFFFF
##631A8D1.0010.182.0610.18
#FFFFFF10.181.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003E90
Deuteranopia (green-blind)
#00428B
Tritanopia (blue-blind)
#5D3854
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #631a8d;
/* rgb */ color: rgb(99, 26, 141);
/* oklch */ color: oklch(39.9% 0.177 309.0);
Tailwind
colors: {
  custom: {
    50: '#9460af',
    500: '#631a8d',
    950: '#000000',
  },
}
SCSS
$custom: #631a8d;
$custom-light: #9460af;
$custom-dark: #000000;
JSON
{
  "hex": "#631a8d",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 141
  },
  "hsl": {
    "h": 278.087,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39894,
    "c": 0.17691,
    "h": 309
  },
  "luminance": 0.05315
}

Semantic roles & 50–950 ramp

primary
#631A8D
secondary
#71BE45
accent
#EC3C7C
background
#F9F6FA
surface
#F2EBF5
border
#CCC6CF
text
#0E0510
muted
#7E7A7F

Preview Lab

Preview with #631A8D

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

Preview Lab → · Contrast checker → · Palette generator →

#631A8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva