#643291#643291

#643291 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.1% C 0.152 H 305.0°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#643291
RGB	rgb(100, 50, 145)
HSL	hsl(272, 49%, 38%)
HSV	hsv(272, 66%, 57%)
CMYK	cmyk(31%, 65.5%, 0%, 43.1%)
CIE-LAB	lab(31.89, 40.93, -43.91)
CIE-LCH	lch(31.89, 60.03, 312.99°)
OKLab	oklab(43.06% 0.0873 -0.1244)
OKLCH	oklch(43.06% 0.152 305)
XYZ	xyz(11.5058, 7.0349, 27.5343)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643291 #5F9132

analogous

#343291 #643291 #91328E

triadic

#643291 #916432 #329164

tetradic

#643291 #913432 #5F9132 #328E91

square

#643291 #913432 #5F9132 #328E91

split-complementary

#643291 #8E9132 #329134

monochromatic

#251336 #452263 #643291 #8342BE #A170CE

Accessibility & contrast

On white

8.72

#643291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#643291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643291

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643291	#FFFFFF	#000000	##FFFFFF
##643291	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#194B8F

Tritanopia (blue-blind)

#5C465D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643291;
/* rgb */ color: rgb(100, 50, 145);
/* oklch */ color: oklch(43.1% 0.152 305.0);

Tailwind

colors: {
  custom: {
    50: '#946db2',
    500: '#643291',
    950: '#000000',
  },
}

SCSS

$custom: #643291;
$custom-light: #946db2;
$custom-dark: #000000;

JSON

{
  "hex": "#643291",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 145
  },
  "hsl": {
    "h": 271.579,
    "s": 48.718,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43058,
    "c": 0.15197,
    "h": 305
  },
  "luminance": 0.07035
}

Semantic roles & 50–950 ramp

primary

#643291

secondary

#8DB569

accent

#D85090

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0D0711

muted

#7E7A80

Preview Lab

Preview with #643291

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

Preview Lab → · Contrast checker → · Palette generator →