#6437C7#6437C7

#6437C7 is a mid, highly saturated violet. Relative luminance 0.096; OKLCH L 48.1% C 0.208 H 290.7°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#6437C7
RGBrgb(100, 55, 199)
HSLhsl(259, 57%, 50%)
HSVhsv(259, 72%, 78%)
CMYKcmyk(49.7%, 72.4%, 0%, 22%)
CIE-LABlab(37.05, 52.65, -67.79)
CIE-LCHlch(37.05, 85.84, 307.83°)
OKLaboklab(48.07% 0.0735 -0.1946)
OKLCHoklch(48.07% 0.208 290.7)
XYZxyz(16.9276, 9.5645, 54.9760)
Luminance0.0956 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6437C7 #9AC737
analogous
#3752C7 #6437C7 #AC37C7
triadic
#6437C7 #C76437 #37C764
tetradic
#6437C7 #C73752 #9AC737 #37C7AC
square
#6437C7 #C73752 #9AC737 #37C7AC
split-complementary
#6437C7 #C7AC37 #52C737
monochromatic
#341C67 #4C2A97 #6437C7 #8966D5 #AE96E2

Accessibility & contrast

On white

7.21
#6437C7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#6437C7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437C7
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6437C7#FFFFFF#000000##FFFFFF
##6437C71.007.212.917.21
#FFFFFF7.211.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ACB
Deuteranopia (green-blind)
#0054C4
Tritanopia (blue-blind)
#425D7C
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #6437c7;
/* rgb */ color: rgb(100, 55, 199);
/* oklch */ color: oklch(48.1% 0.208 290.7);
Tailwind
colors: {
  custom: {
    50: '#9972d9',
    500: '#6437c7',
    950: '#000000',
  },
}
SCSS
$custom: #6437c7;
$custom-light: #9972d9;
$custom-dark: #000000;
JSON
{
  "hex": "#6437c7",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 199
  },
  "hsl": {
    "h": 258.75,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48071,
    "c": 0.20804,
    "h": 290.7
  },
  "luminance": 0.09565
}

Semantic roles & 50–950 ramp

primary
#6437C7
secondary
#B9CD8C
accent
#E048B0
background
#FAF7FD
surface
#F3EDFB
border
#CDC8D4
text
#0F0815
muted
#7F7B83

Preview Lab

Preview with #6437C7

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

Preview Lab → · Contrast checker → · Palette generator →

#6437C7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva