#643ABD#643ABD

#643ABD is a mid, vivid violet. Relative luminance 0.094; OKLCH L 47.6% C 0.193 H 292.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX#643ABD
RGBrgb(100, 58, 189)
HSLhsl(259, 53%, 48%)
HSVhsv(259, 69%, 74%)
CMYKcmyk(47.1%, 69.3%, 0%, 25.9%)
CIE-LABlab(36.76, 48.38, -62.41)
CIE-LCHlch(36.76, 78.97, 307.78°)
OKLaboklab(47.61% 0.0728 -0.1788)
OKLCHoklch(47.61% 0.193 292.1)
XYZxyz(15.9513, 9.4090, 49.1099)
Luminance0.0941 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643ABD #93BD3A
analogous
#3A51BD #643ABD #A53ABD
triadic
#643ABD #BD643A #3ABD64
tetradic
#643ABD #BD3A51 #93BD3A #3ABDA5
square
#643ABD #BD3A51 #93BD3A #3ABDA5
split-complementary
#643ABD #BDA53A #51BD3A
monochromatic
#321D5F #4B2C8E #643ABD #8765D0 #AB93DE

Accessibility & contrast

On white

7.29
#643ABD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.88
#643ABD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643ABD
7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643ABD#FFFFFF#000000##FFFFFF
##643ABD1.007.292.887.29
#FFFFFF7.291.0021.001.00
#0000002.8821.001.0021.00
##FFFFFF7.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058C1
Deuteranopia (green-blind)
#0054BA
Tritanopia (blue-blind)
#495B77
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #643abd;
/* rgb */ color: rgb(100, 58, 189);
/* oklch */ color: oklch(47.6% 0.193 292.1);
Tailwind
colors: {
  custom: {
    50: '#9873d2',
    500: '#643abd',
    950: '#000000',
  },
}
SCSS
$custom: #643abd;
$custom-light: #9873d2;
$custom-dark: #000000;
JSON
{
  "hex": "#643abd",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 189
  },
  "hsl": {
    "h": 259.237,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47607,
    "c": 0.19307,
    "h": 292.1
  },
  "luminance": 0.0941
}

Semantic roles & 50–950 ramp

primary
#643ABD
secondary
#B5C98A
accent
#DC4BAE
background
#F9F7FD
surface
#F2EDFA
border
#CCC8D3
text
#0E0814
muted
#7E7B83

Preview Lab

Preview with #643ABD

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

Preview Lab → · Contrast checker → · Palette generator →

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