#643183#643183

#643183 is a dark, vivid violet. Relative luminance 0.065; OKLCH L 41.9% C 0.137 H 310.5°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#643183
RGB	rgb(100, 49, 131)
HSL	hsl(277, 46%, 35%)
HSV	hsv(277, 63%, 51%)
CMYK	cmyk(23.7%, 62.6%, 0%, 48.6%)
CIE-LAB	lab(30.75, 38.03, -37.08)
CIE-LCH	lch(30.75, 53.12, 315.73°)
OKLab	oklab(41.93% 0.0891 -0.1044)
OKLCH	oklch(41.93% 0.137 310.5)
XYZ	xyz(10.4498, 6.5449, 22.1811)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643183 #508331

analogous

#3B3183 #643183 #833179

triadic

#643183 #836431 #318364

tetradic

#643183 #833B31 #508331 #317983

square

#643183 #833B31 #508331 #317983

split-complementary

#643183 #798331 #31833B

monochromatic

#20102A #422056 #643183 #8642B0 #A368C6

Accessibility & contrast

On white

9.09

#643183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#643183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643183

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643183	#FFFFFF	#000000	##FFFFFF
##643183	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104686

Deuteranopia (green-blind)

#284981

Tritanopia (blue-blind)

#604155

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643183;
/* rgb */ color: rgb(100, 49, 131);
/* oklch */ color: oklch(41.9% 0.137 310.5);

Tailwind

colors: {
  custom: {
    50: '#936ca7',
    500: '#643183',
    950: '#000000',
  },
}

SCSS

$custom: #643183;
$custom-light: #936ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#643183",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 131
  },
  "hsl": {
    "h": 277.317,
    "s": 45.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41931,
    "c": 0.13724,
    "h": 310.5
  },
  "luminance": 0.06545
}

Semantic roles & 50–950 ramp

primary

#643183

secondary

#7FAE62

accent

#D55384

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #643183

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

Preview Lab → · Contrast checker → · Palette generator →