#643EE3#643EE3

#643EE3 is a mid, highly saturated violet. Relative luminance 0.117; OKLCH L 51.4% C 0.233 H 285.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#643EE3
RGBrgb(100, 62, 227)
HSLhsl(254, 75%, 57%)
HSVhsv(254, 73%, 89%)
CMYKcmyk(55.9%, 72.7%, 0%, 11%)
CIE-LABlab(40.73, 56.95, -77.88)
CIE-LCHlch(40.73, 96.48, 306.18°)
OKLaboklab(51.43% 0.0617 -0.2242)
OKLCHoklch(51.43% 0.233 285.4)
XYZxyz(20.8391, 11.6994, 73.8183)
Luminance0.1170 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643EE3 #BDE33E
analogous
#3E6BE3 #643EE3 #B73EE3
triadic
#643EE3 #E3643E #3EE364
tetradic
#643EE3 #E33E6B #BDE33E #3EE3B7
square
#643EE3 #E33E6B #BDE33E #3EE3B7
split-complementary
#643EE3 #E3B73E #6BE33E
monochromatic
#321591 #441DC7 #643EE3 #8F73EB #BAA9F3

Accessibility & contrast

On white

6.29
#643EE3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.34
#643EE3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643EE3
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643EE3#FFFFFF#000000##FFFFFF
##643EE31.006.293.346.29
#FFFFFF6.291.0021.001.00
#0000003.3421.001.0021.00
##FFFFFF6.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064E8
Deuteranopia (green-blind)
#005BE0
Tritanopia (blue-blind)
#266B8D
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #643ee3;
/* rgb */ color: rgb(100, 62, 227);
/* oklch */ color: oklch(51.4% 0.233 285.4);
Tailwind
colors: {
  custom: {
    50: '#9d77ed',
    500: '#643ee3',
    950: '#000000',
  },
}
SCSS
$custom: #643ee3;
$custom-light: #9d77ed;
$custom-dark: #000000;
JSON
{
  "hex": "#643ee3",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 227
  },
  "hsl": {
    "h": 253.818,
    "s": 74.661,
    "l": 56.667
  },
  "oklch": {
    "l": 0.51426,
    "c": 0.23253,
    "h": 285.4
  },
  "luminance": 0.11701
}

Semantic roles & 50–950 ramp

primary
#643EE3
secondary
#D1E09D
accent
#F137C6
background
#FAF7FE
surface
#F4EDFD
border
#CEC8D5
text
#100916
muted
#7F7B84

Preview Lab

Preview with #643EE3

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

Preview Lab → · Contrast checker → · Palette generator →

#643EE3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva