#642C8D#642C8D

#642C8D is a dark, vivid violet. Relative luminance 0.064; OKLCH L 42.0% C 0.156 H 307.4°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#642C8D
RGB	rgb(100, 44, 141)
HSL	hsl(275, 52%, 36%)
HSV	hsv(275, 69%, 55%)
CMYK	cmyk(29.1%, 68.8%, 0%, 44.7%)
CIE-LAB	lab(30.48, 43.04, -43.71)
CIE-LCH	lch(30.48, 61.34, 314.55°)
OKLab	oklab(41.96% 0.0948 -0.1238)
OKLCH	oklch(41.96% 0.156 307.4)
XYZ	xyz(10.9629, 6.4339, 25.8585)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C8D #558D2C

analogous

#342C8D #642C8D #8D2C86

triadic

#642C8D #8D642C #2C8D64

tetradic

#642C8D #8D342C #558D2C #2C868D

square

#642C8D #8D342C #558D2C #2C868D

split-complementary

#642C8D #868D2C #2C8D34

monochromatic

#220F30 #431D5E #642C8D #853BBC #A265CF

Accessibility & contrast

On white

9.18

#642C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#642C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C8D

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C8D	#FFFFFF	#000000	##FFFFFF
##642C8D	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#16488B

Tritanopia (blue-blind)

#5D4159

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642c8d;
/* rgb */ color: rgb(100, 44, 141);
/* oklch */ color: oklch(42.0% 0.156 307.4);

Tailwind

colors: {
  custom: {
    50: '#9469af',
    500: '#642c8d',
    950: '#000000',
  },
}

SCSS

$custom: #642c8d;
$custom-light: #9469af;
$custom-dark: #000000;

JSON

{
  "hex": "#642c8d",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 141
  },
  "hsl": {
    "h": 274.639,
    "s": 52.432,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41957,
    "c": 0.15594,
    "h": 307.4
  },
  "luminance": 0.06434
}

Semantic roles & 50–950 ramp

primary

#642C8D

secondary

#84B560

accent

#DC4C89

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642C8D

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

Preview Lab → · Contrast checker → · Palette generator →