#643CCD#643CCD

#643CCD is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.2% C 0.209 H 288.9°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX#643CCD
RGBrgb(100, 60, 205)
HSLhsl(257, 59%, 52%)
HSVhsv(257, 71%, 80%)
CMYKcmyk(51.2%, 70.7%, 0%, 19.6%)
CIE-LABlab(38.46, 51.79, -68.97)
CIE-LCHlch(38.46, 86.25, 306.90°)
OKLaboklab(49.23% 0.068 -0.1981)
OKLCHoklch(49.23% 0.209 288.9)
XYZxyz(17.8876, 10.3480, 58.8006)
Luminance0.1035 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643CCD #A5CD3C
analogous
#3C5CCD #643CCD #AD3CCD
triadic
#643CCD #CD643C #3CCD64
tetradic
#643CCD #CD3C5C #A5CD3C #3CCDAD
square
#643CCD #CD3C5C #A5CD3C #3CCDAD
split-complementary
#643CCD #CDAD3C #5CCD3C
monochromatic
#341D71 #4B2AA2 #643CCD #8B6DD9 #B19DE6

Accessibility & contrast

On white

6.84
#643CCD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.07
#643CCD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643CCD
6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643CCD#FFFFFF#000000##FFFFFF
##643CCD1.006.843.076.84
#FFFFFF6.841.0021.001.00
#0000003.0721.001.0021.00
##FFFFFF6.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DD1
Deuteranopia (green-blind)
#0057CA
Tritanopia (blue-blind)
#3D6280
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #643ccd;
/* rgb */ color: rgb(100, 60, 205);
/* oklch */ color: oklch(49.2% 0.209 288.9);
Tailwind
colors: {
  custom: {
    50: '#9a75dd',
    500: '#643ccd',
    950: '#000000',
  },
}
SCSS
$custom: #643ccd;
$custom-light: #9a75dd;
$custom-dark: #000000;
JSON
{
  "hex": "#643ccd",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 205
  },
  "hsl": {
    "h": 256.552,
    "s": 59.184,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49229,
    "c": 0.20943,
    "h": 288.9
  },
  "luminance": 0.10349
}

Semantic roles & 50–950 ramp

primary
#643CCD
secondary
#C1D293
accent
#E245B7
background
#FAF7FD
surface
#F3EDFB
border
#CDC8D4
text
#0F0915
muted
#7F7B83

Preview Lab

Preview with #643CCD

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

Preview Lab → · Contrast checker → · Palette generator →

#643CCD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva