#6437CC#6437CC

#6437CC is a mid, highly saturated violet. Relative luminance 0.098; OKLCH L 48.5% C 0.214 H 289.8°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX#6437CC
RGBrgb(100, 55, 204)
HSLhsl(258, 59%, 51%)
HSVhsv(258, 73%, 80%)
CMYKcmyk(51%, 73%, 0%, 20%)
CIE-LABlab(37.48, 54.02, -69.99)
CIE-LCHlch(37.48, 88.41, 307.66°)
OKLaboklab(48.51% 0.0724 -0.2011)
OKLCHoklch(48.51% 0.214 289.8)
XYZxyz(17.5177, 9.8006, 58.0837)
Luminance0.0980 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6437CC #9FCC37
analogous
#3754CC #6437CC #AF37CC
triadic
#6437CC #CC6437 #37CC64
tetradic
#6437CC #CC3754 #9FCC37 #37CCAF
square
#6437CC #CC3754 #9FCC37 #37CCAF
split-complementary
#6437CC #CCAF37 #54CC37
monochromatic
#341C6D #4C289E #6437CC #8A68D8 #B099E5

Accessibility & contrast

On white

7.09
#6437CC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#6437CC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437CC
7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6437CC#FFFFFF#000000##FFFFFF
##6437CC1.007.092.967.09
#FFFFFF7.091.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005BD0
Deuteranopia (green-blind)
#0055C9
Tritanopia (blue-blind)
#3F5F7F
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #6437cc;
/* rgb */ color: rgb(100, 55, 204);
/* oklch */ color: oklch(48.5% 0.214 289.8);
Tailwind
colors: {
  custom: {
    50: '#9a72dd',
    500: '#6437cc',
    950: '#000000',
  },
}
SCSS
$custom: #6437cc;
$custom-light: #9a72dd;
$custom-dark: #000000;
JSON
{
  "hex": "#6437cc",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 204
  },
  "hsl": {
    "h": 258.121,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4851,
    "c": 0.2137,
    "h": 289.8
  },
  "luminance": 0.09801
}

Semantic roles & 50–950 ramp

primary
#6437CC
secondary
#BCD08E
accent
#E345B3
background
#FAF7FD
surface
#F4EDFB
border
#CEC8D4
text
#0F0815
muted
#7F7B83

Preview Lab

Preview with #6437CC

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

Preview Lab → · Contrast checker → · Palette generator →

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