#643278#643278

#643278 is a dark, vivid purple. Relative luminance 0.063; OKLCH L 41.4% C 0.123 H 315.3°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#643278
RGB	rgb(100, 50, 120)
HSL	hsl(283, 41%, 33%)
HSV	hsv(283, 58%, 47%)
CMYK	cmyk(16.7%, 58.3%, 0%, 52.9%)
CIE-LAB	lab(30.27, 34.90, -30.95)
CIE-LCH	lch(30.27, 46.64, 318.44°)
OKLab	oklab(41.36% 0.0874 -0.0864)
OKLCH	oklch(41.36% 0.123 315.3)
XYZ	xyz(9.7858, 6.3469, 18.4752)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643278 #467832

analogous

#413278 #643278 #783269

triadic

#643278 #786432 #327864

tetradic

#643278 #784132 #467832 #326978

square

#643278 #784132 #467832 #326978

split-complementary

#643278 #697832 #327841

monochromatic

#1C0E22 #40204D #643278 #8844A3 #A565BF

Accessibility & contrast

On white

9.25

#643278 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#643278 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643278

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643278	#FFFFFF	#000000	##FFFFFF
##643278	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20447A

Deuteranopia (green-blind)

#324976

Tritanopia (blue-blind)

#633E50

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643278;
/* rgb */ color: rgb(100, 50, 120);
/* oklch */ color: oklch(41.4% 0.123 315.3);

Tailwind

colors: {
  custom: {
    50: '#926c9f',
    500: '#643278',
    950: '#000000',
  },
}

SCSS

$custom: #643278;
$custom-light: #926c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#643278",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 120
  },
  "hsl": {
    "h": 282.857,
    "s": 41.176,
    "l": 33.333
  },
  "oklch": {
    "l": 0.41364,
    "c": 0.12294,
    "h": 315.3
  },
  "luminance": 0.06347
}

Semantic roles & 50–950 ramp

primary

#643278

secondary

#74A75F

accent

#D1577A

background

#F9F6F9

surface

#F1EBF2

border

#CBC6CC

text

#0D070E

muted

#7E7A7E

Preview Lab

Preview with #643278

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

Preview Lab → · Contrast checker → · Palette generator →