#643FFF#643FFF

#643FFF is a mid, highly saturated violet. Relative luminance 0.135; OKLCH L 54.1% C 0.263 H 281.9°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX#643FFF
RGBrgb(100, 63, 255)
HSLhsl(252, 100%, 62%)
HSVhsv(252, 75%, 100%)
CMYKcmyk(60.8%, 75.3%, 0%, 0%)
CIE-LABlab(43.48, 64.30, -89.14)
CIE-LCHlch(43.48, 109.91, 305.81°)
OKLaboklab(54.14% 0.0543 -0.2571)
OKLCHoklch(54.14% 0.263 281.9)
XYZxyz(25.0774, 13.4825, 95.8693)
Luminance0.1348 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643FFF #DAFF3F
analogous
#3F7AFF #643FFF #C43FFF
triadic
#643FFF #FF643F #3FFF64
tetradic
#643FFF #FF3F7A #DAFF3F #3FFFC4
square
#643FFF #FF3F7A #DAFF3F #3FFFC4
split-complementary
#643FFF #FFC43F #7AFF3F
monochromatic
#2600C4 #3302FF #643FFF #957CFF #C7B9FF

Accessibility & contrast

On white

5.68
#643FFF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.70
#643FFF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FFF
5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643FFF#FFFFFF#000000##FFFFFF
##643FFF1.005.683.705.68
#FFFFFF5.681.0021.001.00
#0000003.7021.001.0021.00
##FFFFFF5.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006DFF
Deuteranopia (green-blind)
#0060FC
Tritanopia (blue-blind)
#00779D
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #643fff;
/* rgb */ color: rgb(100, 63, 255);
/* oklch */ color: oklch(54.1% 0.263 281.9);
Tailwind
colors: {
  custom: {
    50: '#a179ff',
    500: '#643fff',
    950: '#000000',
  },
}
SCSS
$custom: #643fff;
$custom-light: #a179ff;
$custom-dark: #000000;
JSON
{
  "hex": "#643fff",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 255
  },
  "hsl": {
    "h": 251.562,
    "s": 100,
    "l": 62.353
  },
  "oklch": {
    "l": 0.54136,
    "c": 0.26279,
    "h": 281.9
  },
  "luminance": 0.13484
}

Semantic roles & 50–950 ramp

primary
#643FFF
secondary
#E2F0AA
accent
#E600B9
background
#FAF7FF
surface
#F5EEFF
border
#CFC9D7
text
#110918
muted
#807B86

Preview Lab

Preview with #643FFF

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

Preview Lab → · Contrast checker → · Palette generator →

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