#643CC0#643CC0

#643CC0 is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.1% C 0.194 H 291.2°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#643CC0
RGB	rgb(100, 60, 192)
HSL	hsl(258, 52%, 49%)
HSV	hsv(258, 69%, 75%)
CMYK	cmyk(47.9%, 68.7%, 0%, 24.7%)
CIE-LAB	lab(37.38, 48.16, -63.16)
CIE-LCH	lch(37.38, 79.43, 307.33°)
OKLab	oklab(48.13% 0.0704 -0.181)
OKLCH	oklch(48.13% 0.194 291.2)
XYZ	xyz(16.3831, 9.7462, 50.8769)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.67

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643CC0 #98C03C

analogous

#3C56C0 #643CC0 #A63CC0

triadic

#643CC0 #C0643C #3CC064

tetradic

#643CC0 #C03C56 #98C03C #3CC0A6

square

#643CC0 #C03C56 #98C03C #3CC0A6

split-complementary

#643CC0 #C0A63C #56C03C

monochromatic

#331F63 #4C2D91 #643CC0 #8869D0 #AD98DF

Accessibility & contrast

On white

7.12

#643CC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#643CC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CC0

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CC0	#FFFFFF	#000000	##FFFFFF
##643CC0	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC4

Deuteranopia (green-blind)

#0055BD

Tritanopia (blue-blind)

#475D79

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643cc0;
/* rgb */ color: rgb(100, 60, 192);
/* oklch */ color: oklch(48.1% 0.194 291.2);

Tailwind

colors: {
  custom: {
    50: '#9875d4',
    500: '#643cc0',
    950: '#000000',
  },
}

SCSS

$custom: #643cc0;
$custom-light: #9875d4;
$custom-dark: #000000;

JSON

{
  "hex": "#643cc0",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 192
  },
  "hsl": {
    "h": 258.182,
    "s": 52.381,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48128,
    "c": 0.19421,
    "h": 291.2
  },
  "luminance": 0.09747
}

Semantic roles & 50–950 ramp

primary

#643CC0

secondary

#B8CA8D

accent

#DC4CB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643CC0

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

Preview Lab → · Contrast checker → · Palette generator →