#643ABE#643ABE

#643ABE is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.7% C 0.194 H 291.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX#643ABE
RGBrgb(100, 58, 190)
HSLhsl(259, 53%, 49%)
HSVhsv(259, 69%, 75%)
CMYKcmyk(47.4%, 69.5%, 0%, 25.5%)
CIE-LABlab(36.84, 48.66, -62.87)
CIE-LCHlch(36.84, 79.50, 307.74°)
OKLaboklab(47.69% 0.0726 -0.1802)
OKLCHoklch(47.69% 0.194 291.9)
XYZxyz(16.0602, 9.4526, 49.6835)
Luminance0.0945 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643ABE #94BE3A
analogous
#3A52BE #643ABE #A63ABE
triadic
#643ABE #BE643A #3ABE64
tetradic
#643ABE #BE3A52 #94BE3A #3ABEA6
square
#643ABE #BE3A52 #94BE3A #3ABEA6
split-complementary
#643ABE #BEA63A #52BE3A
monochromatic
#331D60 #4B2C8F #643ABE #8765D0 #AC94DE

Accessibility & contrast

On white

7.26
#643ABE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.89
#643ABE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643ABE
7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643ABE#FFFFFF#000000##FFFFFF
##643ABE1.007.262.897.26
#FFFFFF7.261.0021.001.00
#0000002.8921.001.0021.00
##FFFFFF7.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059C2
Deuteranopia (green-blind)
#0054BB
Tritanopia (blue-blind)
#485B78
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #643abe;
/* rgb */ color: rgb(100, 58, 190);
/* oklch */ color: oklch(47.7% 0.194 291.9);
Tailwind
colors: {
  custom: {
    50: '#9873d3',
    500: '#643abe',
    950: '#000000',
  },
}
SCSS
$custom: #643abe;
$custom-light: #9873d3;
$custom-dark: #000000;
JSON
{
  "hex": "#643abe",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 190
  },
  "hsl": {
    "h": 259.091,
    "s": 53.226,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4769,
    "c": 0.19425,
    "h": 291.9
  },
  "luminance": 0.09453
}

Semantic roles & 50–950 ramp

primary
#643ABE
secondary
#B5CA8A
accent
#DD4BAE
background
#F9F7FD
surface
#F2EDFA
border
#CCC8D3
text
#0F0814
muted
#7E7B83

Preview Lab

Preview with #643ABE

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

Preview Lab → · Contrast checker → · Palette generator →

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