#6431AA#6431AA

#6431AA is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.9% C 0.182 H 297.9°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#6431AA
RGBrgb(100, 49, 170)
HSLhsl(265, 55%, 43%)
HSVhsv(265, 71%, 67%)
CMYKcmyk(41.2%, 71.2%, 0%, 33.3%)
CIE-LABlab(33.58, 47.86, -56.33)
CIE-LCHlch(33.58, 73.91, 310.36°)
OKLaboklab(44.86% 0.0851 -0.1609)
OKLCHoklch(44.86% 0.182 297.9)
XYZxyz(13.6077, 7.8080, 38.8126)
Luminance0.0781 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6431AA #77AA31
analogous
#313BAA #6431AA #A031AA
triadic
#6431AA #AA6431 #31AA64
tetradic
#6431AA #AA313B #77AA31 #31AAA0
square
#6431AA #AA313B #77AA31 #31AAA0
split-complementary
#6431AA #AAA031 #3BAA31
monochromatic
#2C164B #48237A #6431AA #824DCC #A37CD9

Accessibility & contrast

On white

8.20
#6431AA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#6431AA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6431AA
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6431AA#FFFFFF#000000##FFFFFF
##6431AA1.008.202.568.20
#FFFFFF8.201.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FAE
Deuteranopia (green-blind)
#004EA8
Tritanopia (blue-blind)
#534F6A
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #6431aa;
/* rgb */ color: rgb(100, 49, 170);
/* oklch */ color: oklch(44.9% 0.182 297.9);
Tailwind
colors: {
  custom: {
    50: '#966dc4',
    500: '#6431aa',
    950: '#000000',
  },
}
SCSS
$custom: #6431aa;
$custom-light: #966dc4;
$custom-dark: #000000;
JSON
{
  "hex": "#6431aa",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 170
  },
  "hsl": {
    "h": 265.289,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44863,
    "c": 0.182,
    "h": 297.9
  },
  "luminance": 0.07808
}

Semantic roles & 50–950 ramp

primary
#6431AA
secondary
#A1C275
accent
#DF49A0
background
#F9F6FC
surface
#F2ECF8
border
#CCC7D1
text
#0E0713
muted
#7E7A82

Preview Lab

Preview with #6431AA

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

Preview Lab → · Contrast checker → · Palette generator →

#6431AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva