#643BAB#643BAB

#643BAB is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.3% C 0.170 H 295.9°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#643BAB
RGB	rgb(100, 59, 171)
HSL	hsl(262, 49%, 45%)
HSV	hsv(262, 65%, 67%)
CMYK	cmyk(41.5%, 65.5%, 0%, 32.9%)
CIE-LAB	lab(35.55, 42.91, -53.72)
CIE-LCH	lch(35.55, 68.75, 308.61°)
OKLab	oklab(46.3% 0.0743 -0.1533)
OKLCH	oklch(46.3% 0.17 295.9)
XYZ	xyz(14.1682, 8.7772, 39.4679)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BAB #82AB3B

analogous

#3B4AAB #643BAB #9C3BAB

triadic

#643BAB #AB643B #3BAB64

tetradic

#643BAB #AB3B4A #82AB3B #3BAB9C

square

#643BAB #AB3B4A #82AB3B #3BAB9C

split-complementary

#643BAB #AB9C3B #4AAB3B

monochromatic

#2F1C50 #492B7D #643BAB #835CC7 #A68AD7

Accessibility & contrast

On white

7.62

#643BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#643BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BAB

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BAB	#FFFFFF	#000000	##FFFFFF
##643BAB	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#0052A9

Tritanopia (blue-blind)

#52556E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643bab;
/* rgb */ color: rgb(100, 59, 171);
/* oklch */ color: oklch(46.3% 0.170 295.9);

Tailwind

colors: {
  custom: {
    50: '#9673c5',
    500: '#643bab',
    950: '#000000',
  },
}

SCSS

$custom: #643bab;
$custom-light: #9673c5;
$custom-dark: #000000;

JSON

{
  "hex": "#643bab",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 171
  },
  "hsl": {
    "h": 261.964,
    "s": 48.696,
    "l": 45.098
  },
  "oklch": {
    "l": 0.463,
    "c": 0.17034,
    "h": 295.9
  },
  "luminance": 0.08778
}

Semantic roles & 50–950 ramp

primary

#643BAB

secondary

#A9C181

accent

#D850A6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643BAB

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

Preview Lab → · Contrast checker → · Palette generator →