#631A90#631A90

#631A90 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.1% C 0.180 H 308.0°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX#631A90
RGBrgb(99, 26, 144)
HSLhsl(277, 69%, 33%)
HSVhsv(277, 82%, 56%)
CMYKcmyk(31.3%, 81.9%, 0%, 43.5%)
CIE-LABlab(27.86, 51.23, -49.83)
CIE-LCHlch(27.86, 71.46, 315.80°)
OKLaboklab(40.14% 0.1107 -0.1417)
OKLCHoklch(40.14% 0.18 308)
XYZxyz(10.5480, 5.4052, 26.8678)
Luminance0.0541 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631A90 #47901A
analogous
#281A90 #631A90 #901A82
triadic
#631A90 #90631A #1A9063
tetradic
#631A90 #90281A #47901A #1A8290
square
#631A90 #90281A #47901A #1A8290
split-complementary
#631A90 #82901A #1A9028
monochromatic
#1C0728 #3F115C #631A90 #8723C4 #A447DE

Accessibility & contrast

On white

10.09
#631A90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.08
#631A90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A90
10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631A90#FFFFFF#000000##FFFFFF
##631A901.0010.092.0810.09
#FFFFFF10.091.0021.001.00
#0000002.0821.001.0021.00
##FFFFFF10.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003F93
Deuteranopia (green-blind)
#00428E
Tritanopia (blue-blind)
#5C3956
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #631a90;
/* rgb */ color: rgb(99, 26, 144);
/* oklch */ color: oklch(40.1% 0.180 308.0);
Tailwind
colors: {
  custom: {
    50: '#9461b1',
    500: '#631a90',
    950: '#000000',
  },
}
SCSS
$custom: #631a90;
$custom-light: #9461b1;
$custom-dark: #000000;
JSON
{
  "hex": "#631a90",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 144
  },
  "hsl": {
    "h": 277.119,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40143,
    "c": 0.17978,
    "h": 308
  },
  "luminance": 0.05405
}

Semantic roles & 50–950 ramp

primary
#631A90
secondary
#75BF47
accent
#EC3C7F
background
#F9F6FB
surface
#F2EBF6
border
#CCC6D0
text
#0E0511
muted
#7E7A80

Preview Lab

Preview with #631A90

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

Preview Lab → · Contrast checker → · Palette generator →

#631A90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva