#643EFF#643EFF

#643EFF is a mid, highly saturated violet. Relative luminance 0.134; OKLCH L 54.0% C 0.264 H 282.0°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX#643EFF
RGBrgb(100, 62, 255)
HSLhsl(252, 100%, 62%)
HSVhsv(252, 76%, 100%)
CMYKcmyk(60.8%, 75.7%, 0%, 0%)
CIE-LABlab(43.32, 64.77, -89.40)
CIE-LCHlch(43.32, 110.40, 305.92°)
OKLaboklab(54.02% 0.0549 -0.2579)
OKLCHoklch(54.02% 0.264 282)
XYZxyz(25.0225, 13.3728, 95.8510)
Luminance0.1338 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643EFF #D9FF3E
analogous
#3E79FF #643EFF #C43EFF
triadic
#643EFF #FF643E #3EFF64
tetradic
#643EFF #FF3E79 #D9FF3E #3EFFC4
square
#643EFF #FF3E79 #D9FF3E #3EFFC4
split-complementary
#643EFF #FFC43E #79FF3E
monochromatic
#2600C3 #3301FF #643EFF #957BFF #C6B8FF

Accessibility & contrast

On white

5.71
#643EFF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.68
#643EFF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643EFF
5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643EFF#FFFFFF#000000##FFFFFF
##643EFF1.005.713.685.71
#FFFFFF5.711.0021.001.00
#0000003.6821.001.0021.00
##FFFFFF5.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006DFF
Deuteranopia (green-blind)
#005FFC
Tritanopia (blue-blind)
#00769D
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #643eff;
/* rgb */ color: rgb(100, 62, 255);
/* oklch */ color: oklch(54.0% 0.264 282.0);
Tailwind
colors: {
  custom: {
    50: '#a178ff',
    500: '#643eff',
    950: '#000000',
  },
}
SCSS
$custom: #643eff;
$custom-light: #a178ff;
$custom-dark: #000000;
JSON
{
  "hex": "#643eff",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 255
  },
  "hsl": {
    "h": 251.813,
    "s": 100,
    "l": 62.157
  },
  "oklch": {
    "l": 0.54023,
    "c": 0.26366,
    "h": 282
  },
  "luminance": 0.13375
}

Semantic roles & 50–950 ramp

primary
#643EFF
secondary
#E2F0A9
accent
#E600B8
background
#FAF7FF
surface
#F5EEFF
border
#CFC9D7
text
#110918
muted
#807B86

Preview Lab

Preview with #643EFF

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

Preview Lab → · Contrast checker → · Palette generator →

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