#631589#631589

#631589 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.2% C 0.178 H 310.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX#631589
RGBrgb(99, 21, 137)
HSLhsl(280, 73%, 31%)
HSVhsv(280, 85%, 54%)
CMYKcmyk(27.7%, 84.7%, 0%, 46.3%)
CIE-LABlab(26.72, 51.33, -47.33)
CIE-LCHlch(26.72, 69.82, 317.32°)
OKLaboklab(39.17% 0.1163 -0.1343)
OKLCHoklch(39.17% 0.178 310.9)
XYZxyz(9.9282, 4.9954, 24.1033)
Luminance0.0500 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631589 #3B8915
analogous
#291589 #631589 #891575
triadic
#631589 #896315 #158963
tetradic
#631589 #892915 #3B8915 #157589
square
#631589 #892915 #3B8915 #157589
split-complementary
#631589 #758915 #158929
monochromatic
#16051F #3D0D54 #631589 #891DBE #A938E0

Accessibility & contrast

On white

10.51
#631589 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#631589 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631589
10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631589#FFFFFF#000000##FFFFFF
##6315891.0010.512.0010.51
#FFFFFF10.511.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003C8C
Deuteranopia (green-blind)
#004087
Tritanopia (blue-blind)
#5E3451
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #631589;
/* rgb */ color: rgb(99, 21, 137);
/* oklch */ color: oklch(39.2% 0.178 310.9);
Tailwind
colors: {
  custom: {
    50: '#945eac',
    500: '#631589',
    950: '#000000',
  },
}
SCSS
$custom: #631589;
$custom-light: #945eac;
$custom-dark: #000000;
JSON
{
  "hex": "#631589",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 137
  },
  "hsl": {
    "h": 280.345,
    "s": 73.418,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3917,
    "c": 0.17767,
    "h": 310.9
  },
  "luminance": 0.04995
}

Semantic roles & 50–950 ramp

primary
#631589
secondary
#67BD3D
accent
#F03874
background
#F9F5FA
surface
#F2EAF4
border
#CCC6CE
text
#0E0510
muted
#7E797F

Preview Lab

Preview with #631589

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

Preview Lab → · Contrast checker → · Palette generator →

#631589 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva