#643DFC#643DFC

#643DFC is a mid, highly saturated violet. Relative luminance 0.131; OKLCH L 53.6% C 0.261 H 282.4°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX#643DFC
RGBrgb(100, 61, 252)
HSLhsl(252, 97%, 61%)
HSVhsv(252, 76%, 99%)
CMYKcmyk(60.3%, 75.8%, 0%, 1.2%)
CIE-LABlab(42.87, 64.40, -88.46)
CIE-LCHlch(42.87, 109.42, 306.05°)
OKLaboklab(53.63% 0.0563 -0.2551)
OKLCHoklch(53.63% 0.261 282.4)
XYZxyz(24.4895, 13.0734, 93.3095)
Luminance0.1308 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643DFC #D5FC3D
analogous
#3D76FC #643DFC #C33DFC
triadic
#643DFC #FC643D #3DFC64
tetradic
#643DFC #FC3D76 #D5FC3D #3DFCC3
square
#643DFC #FC3D76 #D5FC3D #3DFCC3
split-complementary
#643DFC #FCC33D #76FC3D
monochromatic
#2903BC #3604F8 #643DFC #9479FD #C4B6FE

Accessibility & contrast

On white

5.81
#643DFC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.62
#643DFC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643DFC
5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643DFC#FFFFFF#000000##FFFFFF
##643DFC1.005.813.625.81
#FFFFFF5.811.0021.001.00
#0000003.6221.001.0021.00
##FFFFFF5.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006BFF
Deuteranopia (green-blind)
#005FF9
Tritanopia (blue-blind)
#00759B
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #643dfc;
/* rgb */ color: rgb(100, 61, 252);
/* oklch */ color: oklch(53.6% 0.261 282.4);
Tailwind
colors: {
  custom: {
    50: '#a178ff',
    500: '#643dfc',
    950: '#000000',
  },
}
SCSS
$custom: #643dfc;
$custom-light: #a178ff;
$custom-dark: #000000;
JSON
{
  "hex": "#643dfc",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 252
  },
  "hsl": {
    "h": 252.251,
    "s": 96.954,
    "l": 61.373
  },
  "oklch": {
    "l": 0.53625,
    "c": 0.26126,
    "h": 282.4
  },
  "luminance": 0.13075
}

Semantic roles & 50–950 ramp

primary
#643DFC
secondary
#E0EEA7
accent
#E600B7
background
#FAF7FF
surface
#F4EEFF
border
#CEC9D7
text
#110918
muted
#807B86

Preview Lab

Preview with #643DFC

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

Preview Lab → · Contrast checker → · Palette generator →

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