#643281#643281

#643281 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 41.9% C 0.133 H 311.2°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#643281
RGB	rgb(100, 50, 129)
HSL	hsl(278, 44%, 35%)
HSV	hsv(278, 61%, 51%)
CMYK	cmyk(22.5%, 61.2%, 0%, 49.4%)
CIE-LAB	lab(30.82, 37.01, -35.72)
CIE-LCH	lch(30.82, 51.44, 316.02°)
OKLab	oklab(41.94% 0.0878 -0.1004)
OKLCH	oklch(41.94% 0.133 311.2)
XYZ	xyz(10.3579, 6.5757, 21.4882)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643281 #4F8132

analogous

#3D3281 #643281 #813276

triadic

#643281 #816432 #328164

tetradic

#643281 #813D32 #4F8132 #327681

square

#643281 #813D32 #4F8132 #327681

split-complementary

#643281 #768132 #32813D

monochromatic

#201029 #422155 #643281 #8643AD #A369C5

Accessibility & contrast

On white

9.07

#643281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#643281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643281

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643281	#FFFFFF	#000000	##FFFFFF
##643281	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164684

Deuteranopia (green-blind)

#2B4A7F

Tritanopia (blue-blind)

#614154

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643281;
/* rgb */ color: rgb(100, 50, 129);
/* oklch */ color: oklch(41.9% 0.133 311.2);

Tailwind

colors: {
  custom: {
    50: '#936da6',
    500: '#643281',
    950: '#000000',
  },
}

SCSS

$custom: #643281;
$custom-light: #936da6;
$custom-dark: #000000;

JSON

{
  "hex": "#643281",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 129
  },
  "hsl": {
    "h": 277.975,
    "s": 44.134,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41943,
    "c": 0.13333,
    "h": 311.2
  },
  "luminance": 0.06576
}

Semantic roles & 50–950 ramp

primary

#643281

secondary

#7EAC62

accent

#D45483

background

#F9F6FA

surface

#F1ECF4

border

#CBC7CE

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #643281

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

Preview Lab → · Contrast checker → · Palette generator →