#643287#643287

#643287 is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.3% C 0.140 H 308.7°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#643287
RGB	rgb(100, 50, 135)
HSL	hsl(275, 46%, 36%)
HSV	hsv(275, 63%, 53%)
CMYK	cmyk(25.9%, 63%, 0%, 47.1%)
CIE-LAB	lab(31.21, 38.46, -38.83)
CIE-LCH	lch(31.21, 54.65, 314.72°)
OKLab	oklab(42.35% 0.0877 -0.1095)
OKLCH	oklch(42.35% 0.14 308.7)
XYZ	xyz(10.7684, 6.7400, 23.6506)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643287 #558732

analogous

#3A3287 #643287 #873280

triadic

#643287 #876432 #328764

tetradic

#643287 #873A32 #558732 #328087

square

#643287 #873A32 #558732 #328087

split-complementary

#643287 #808732 #32873A

monochromatic

#22112E #43215A #643287 #8543B4 #A26BC8

Accessibility & contrast

On white

8.94

#643287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#643287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643287

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643287	#FFFFFF	#000000	##FFFFFF
##643287	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B478A

Deuteranopia (green-blind)

#264A85

Tritanopia (blue-blind)

#5F4357

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643287;
/* rgb */ color: rgb(100, 50, 135);
/* oklch */ color: oklch(42.3% 0.140 308.7);

Tailwind

colors: {
  custom: {
    50: '#936daa',
    500: '#643287',
    950: '#000000',
  },
}

SCSS

$custom: #643287;
$custom-light: #936daa;
$custom-dark: #000000;

JSON

{
  "hex": "#643287",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 135
  },
  "hsl": {
    "h": 275.294,
    "s": 45.946,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42349,
    "c": 0.14032,
    "h": 308.7
  },
  "luminance": 0.0674
}

Semantic roles & 50–950 ramp

primary

#643287

secondary

#84B065

accent

#D65288

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #643287

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

Preview Lab → · Contrast checker → · Palette generator →