#6437B7#6437B7

#6437B7 is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.7% C 0.190 H 293.9°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#6437B7
RGBrgb(100, 55, 183)
HSLhsl(261, 54%, 47%)
HSVhsv(261, 70%, 72%)
CMYKcmyk(45.4%, 69.9%, 0%, 28.2%)
CIE-LABlab(35.71, 48.29, -60.58)
CIE-LCHlch(35.71, 77.48, 308.56°)
OKLaboklab(46.71% 0.0767 -0.1734)
OKLCHoklch(46.71% 0.19 293.9)
XYZxyz(15.1666, 8.8602, 45.7016)
Luminance0.0886 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6437B7 #8AB737
analogous
#374AB7 #6437B7 #A437B7
triadic
#6437B7 #B76437 #37B764
tetradic
#6437B7 #B7374A #8AB737 #37B7A4
square
#6437B7 #B7374A #8AB737 #37B7A4
split-complementary
#6437B7 #B7A437 #4AB737
monochromatic
#311B59 #4A2988 #6437B7 #855DCE #A88CDC

Accessibility & contrast

On white

7.58
#6437B7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#6437B7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437B7
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6437B7#FFFFFF#000000##FFFFFF
##6437B71.007.582.777.58
#FFFFFF7.581.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055BB
Deuteranopia (green-blind)
#0052B4
Tritanopia (blue-blind)
#4C5773
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #6437b7;
/* rgb */ color: rgb(100, 55, 183);
/* oklch */ color: oklch(46.7% 0.190 293.9);
Tailwind
colors: {
  custom: {
    50: '#9771ce',
    500: '#6437b7',
    950: '#000000',
  },
}
SCSS
$custom: #6437b7;
$custom-light: #9771ce;
$custom-dark: #000000;
JSON
{
  "hex": "#6437b7",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 183
  },
  "hsl": {
    "h": 261.094,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.46709,
    "c": 0.18967,
    "h": 293.9
  },
  "luminance": 0.08861
}

Semantic roles & 50–950 ramp

primary
#6437B7
secondary
#AFC783
accent
#DD4BAA
background
#F9F7FC
surface
#F2EDF9
border
#CCC8D2
text
#0E0814
muted
#7E7B82

Preview Lab

Preview with #6437B7

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

Preview Lab → · Contrast checker → · Palette generator →

#6437B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva