#642C8A#642C8A

#642C8A is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.7% C 0.153 H 308.5°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#642C8A
RGB	rgb(100, 44, 138)
HSL	hsl(276, 52%, 36%)
HSV	hsv(276, 68%, 54%)
CMYK	cmyk(27.5%, 68.1%, 0%, 45.9%)
CIE-LAB	lab(30.27, 42.31, -42.20)
CIE-LCH	lch(30.27, 59.76, 315.08°)
OKLab	oklab(41.74% 0.0951 -0.1194)
OKLCH	oklch(41.74% 0.153 308.5)
XYZ	xyz(10.7427, 6.3458, 24.6988)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C8A #528A2C

analogous

#352C8A #642C8A #8A2C81

triadic

#642C8A #8A642C #2C8A64

tetradic

#642C8A #8A352C #528A2C #2C818A

square

#642C8A #8A352C #528A2C #2C818A

split-complementary

#642C8A #818A2C #2C8A35

monochromatic

#210E2D #421D5C #642C8A #863BB8 #A263CD

Accessibility & contrast

On white

9.25

#642C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#642C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C8A

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C8A	#FFFFFF	#000000	##FFFFFF
##642C8A	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)

#00458D

Deuteranopia (green-blind)

#1A4888

Tritanopia (blue-blind)

#5E4057

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642c8a;
/* rgb */ color: rgb(100, 44, 138);
/* oklch */ color: oklch(41.7% 0.153 308.5);

Tailwind

colors: {
  custom: {
    50: '#9469ad',
    500: '#642c8a',
    950: '#000000',
  },
}

SCSS

$custom: #642c8a;
$custom-light: #9469ad;
$custom-dark: #000000;

JSON

{
  "hex": "#642c8a",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 138
  },
  "hsl": {
    "h": 275.745,
    "s": 51.648,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41736,
    "c": 0.15261,
    "h": 308.5
  },
  "luminance": 0.06346
}

Semantic roles & 50–950 ramp

primary

#642C8A

secondary

#81B45E

accent

#DB4D86

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642C8A

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

Preview Lab → · Contrast checker → · Palette generator →