#631B73#631B73

#631B73 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.0% C 0.151 H 319.6°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX#631B73
RGBrgb(99, 27, 115)
HSLhsl(289, 62%, 28%)
HSVhsv(289, 77%, 45%)
CMYKcmyk(13.9%, 76.5%, 0%, 54.9%)
CIE-LABlab(25.79, 44.63, -34.93)
CIE-LCHlch(25.79, 56.67, 321.95°)
OKLaboklab(37.99% 0.1152 -0.098)
OKLCHoklch(37.99% 0.151 319.6)
XYZxyz(8.6316, 4.6747, 16.6640)
Luminance0.0467 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631B73 #2B731B
analogous
#371B73 #631B73 #731B57
triadic
#631B73 #73631B #1B7363
tetradic
#631B73 #73371B #2B731B #1B5773
square
#631B73 #73371B #2B731B #1B5773
split-complementary
#631B73 #57731B #1B7337
monochromatic
#150619 #380F41 #631B73 #8E27A5 #B538D0

Accessibility & contrast

On white

10.85
#631B73 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#631B73 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B73
10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631B73#FFFFFF#000000##FFFFFF
##631B731.0010.851.9310.85
#FFFFFF10.851.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003875
Deuteranopia (green-blind)
#223F71
Tritanopia (blue-blind)
#632D45
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #631b73;
/* rgb */ color: rgb(99, 27, 115);
/* oklch */ color: oklch(38.0% 0.151 319.6);
Tailwind
colors: {
  custom: {
    50: '#93609c',
    500: '#631b73',
    950: '#000000',
  },
}
SCSS
$custom: #631b73;
$custom-light: #93609c;
$custom-dark: #000000;
JSON
{
  "hex": "#631b73",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 289.091,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3799,
    "c": 0.15119,
    "h": 319.6
  },
  "luminance": 0.04674
}

Semantic roles & 50–950 ramp

primary
#631B73
secondary
#55A842
accent
#E54360
background
#F9F5F9
surface
#F2EAF2
border
#CCC6CC
text
#0D050E
muted
#7E797E

Preview Lab

Preview with #631B73

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

Preview Lab → · Contrast checker → · Palette generator →

#631B73 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva