#631DA0#631DA0

#631DA0 is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.8% C 0.193 H 302.6°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX#631DA0
RGBrgb(99, 29, 160)
HSLhsl(272, 69%, 37%)
HSVhsv(272, 82%, 63%)
CMYKcmyk(38.1%, 81.9%, 0%, 37.3%)
CIE-LABlab(29.59, 53.84, -56.81)
CIE-LCHlch(29.59, 78.27, 313.46°)
OKLaboklab(41.77% 0.1037 -0.1622)
OKLCHoklch(41.77% 0.193 302.6)
XYZxyz(11.9286, 6.0694, 33.7940)
Luminance0.0607 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631DA0 #5AA01D
analogous
#221DA0 #631DA0 #A01D9C
triadic
#631DA0 #A0631D #1DA063
tetradic
#631DA0 #A0221D #5AA01D #1D9CA0
square
#631DA0 #A0221D #5AA01D #1D9CA0
split-complementary
#631DA0 #9CA01D #1DA022
monochromatic
#230A38 #43146C #631DA0 #8326D4 #A057E1

Accessibility & contrast

On white

9.49
#631DA0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#631DA0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631DA0
9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631DA0#FFFFFF#000000##FFFFFF
##631DA01.009.492.219.49
#FFFFFF9.491.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0045A3
Deuteranopia (green-blind)
#00459E
Tritanopia (blue-blind)
#564160
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #631da0;
/* rgb */ color: rgb(99, 29, 160);
/* oklch */ color: oklch(41.8% 0.193 302.6);
Tailwind
colors: {
  custom: {
    50: '#9663bd',
    500: '#631da0',
    950: '#000000',
  },
}
SCSS
$custom: #631da0;
$custom-light: #9663bd;
$custom-dark: #000000;
JSON
{
  "hex": "#631da0",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 160
  },
  "hsl": {
    "h": 272.061,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.41768,
    "c": 0.19257,
    "h": 302.6
  },
  "luminance": 0.06069
}

Semantic roles & 50–950 ramp

primary
#631DA0
secondary
#89C455
accent
#EC3C8E
background
#F9F6FB
surface
#F2EBF7
border
#CCC6D0
text
#0E0612
muted
#7E7A81

Preview Lab

Preview with #631DA0

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

Preview Lab → · Contrast checker → · Palette generator →

#631DA0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva