#643CAB#643CAB

#643CAB is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.4% C 0.169 H 295.7°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#643CAB
RGB	rgb(100, 60, 171)
HSL	hsl(262, 48%, 45%)
HSV	hsv(262, 65%, 67%)
CMYK	cmyk(41.5%, 64.9%, 0%, 32.9%)
CIE-LAB	lab(35.75, 42.36, -53.39)
CIE-LCH	lch(35.75, 68.15, 308.43°)
OKLab	oklab(46.45% 0.0732 -0.1523)
OKLCH	oklch(46.45% 0.169 295.7)
XYZ	xyz(14.2201, 8.8810, 39.4852)
Luminance	0.0888 (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

#643CAB #83AB3C

analogous

#3C4BAB #643CAB #9C3CAB

triadic

#643CAB #AB643C #3CAB64

tetradic

#643CAB #AB3C4B #83AB3C #3CAB9C

square

#643CAB #AB3C4B #83AB3C #3CAB9C

split-complementary

#643CAB #AB9C3C #4BAB3C

monochromatic

#2F1C50 #4A2C7E #643CAB #835EC6 #A68BD6

Accessibility & contrast

On white

7.56

#643CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#643CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CAB

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CAB	#FFFFFF	#000000	##FFFFFF
##643CAB	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AE

Deuteranopia (green-blind)

#0052A9

Tritanopia (blue-blind)

#52566E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643cab;
/* rgb */ color: rgb(100, 60, 171);
/* oklch */ color: oklch(46.4% 0.169 295.7);

Tailwind

colors: {
  custom: {
    50: '#9674c5',
    500: '#643cab',
    950: '#000000',
  },
}

SCSS

$custom: #643cab;
$custom-light: #9674c5;
$custom-dark: #000000;

JSON

{
  "hex": "#643cab",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 171
  },
  "hsl": {
    "h": 261.622,
    "s": 48.052,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46447,
    "c": 0.16899,
    "h": 295.7
  },
  "luminance": 0.08881
}

Semantic roles & 50–950 ramp

primary

#643CAB

secondary

#AAC182

accent

#D850A7

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643CAB

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

Preview Lab → · Contrast checker → · Palette generator →