#631588#631588

#631588 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.1% C 0.177 H 311.3°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX#631588
RGBrgb(99, 21, 136)
HSLhsl(281, 73%, 31%)
HSVhsv(281, 85%, 53%)
CMYKcmyk(27.2%, 84.6%, 0%, 46.7%)
CIE-LABlab(26.64, 51.12, -46.84)
CIE-LCHlch(26.64, 69.33, 317.50°)
OKLaboklab(39.09% 0.1166 -0.1329)
OKLCHoklch(39.09% 0.177 311.3)
XYZxyz(9.8568, 4.9668, 23.7272)
Luminance0.0497 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631588 #3A8815
analogous
#2A1588 #631588 #881573
triadic
#631588 #886315 #158863
tetradic
#631588 #882A15 #3A8815 #157388
square
#631588 #882A15 #3A8815 #157388
split-complementary
#631588 #738815 #15882A
monochromatic
#16051E #3C0D53 #631588 #8A1DBD #AA37E0

Accessibility & contrast

On white

10.53
#631588 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#631588 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631588
10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631588#FFFFFF#000000##FFFFFF
##6315881.0010.531.9910.53
#FFFFFF10.531.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003C8B
Deuteranopia (green-blind)
#004086
Tritanopia (blue-blind)
#5E3350
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #631588;
/* rgb */ color: rgb(99, 21, 136);
/* oklch */ color: oklch(39.1% 0.177 311.3);
Tailwind
colors: {
  custom: {
    50: '#945eab',
    500: '#631588',
    950: '#000000',
  },
}
SCSS
$custom: #631588;
$custom-light: #945eab;
$custom-dark: #000000;
JSON
{
  "hex": "#631588",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 136
  },
  "hsl": {
    "h": 280.696,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39088,
    "c": 0.17676,
    "h": 311.3
  },
  "luminance": 0.04967
}

Semantic roles & 50–950 ramp

primary
#631588
secondary
#66BC3D
accent
#F03873
background
#F9F5FA
surface
#F2EAF4
border
#CCC6CE
text
#0E0510
muted
#7E797F

Preview Lab

Preview with #631588

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

Preview Lab → · Contrast checker → · Palette generator →

#631588 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva