#642D8A#642D8A

#642D8A is a dark, vivid violet. Relative luminance 0.064; OKLCH L 41.9% C 0.151 H 308.4°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#642D8A
RGB	rgb(100, 45, 138)
HSL	hsl(275, 51%, 36%)
HSV	hsv(275, 67%, 54%)
CMYK	cmyk(27.5%, 67.4%, 0%, 45.9%)
CIE-LAB	lab(30.45, 41.81, -41.91)
CIE-LCH	lch(30.45, 59.20, 314.93°)
OKLab	oklab(41.87% 0.0939 -0.1185)
OKLCH	oklch(41.87% 0.151 308.4)
XYZ	xyz(10.7804, 6.4212, 24.7113)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D8A #538A2D

analogous

#352D8A #642D8A #8A2D81

triadic

#642D8A #8A642D #2D8A64

tetradic

#642D8A #8A352D #538A2D #2D818A

square

#642D8A #8A352D #538A2D #2D818A

split-complementary

#642D8A #818A2D #2D8A35

monochromatic

#210F2E #431E5C #642D8A #853CB8 #A265CD

Accessibility & contrast

On white

9.19

#642D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#642D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D8A

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D8A	#FFFFFF	#000000	##FFFFFF
##642D8A	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468D

Deuteranopia (green-blind)

#1C4888

Tritanopia (blue-blind)

#5E4057

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642d8a;
/* rgb */ color: rgb(100, 45, 138);
/* oklch */ color: oklch(41.9% 0.151 308.4);

Tailwind

colors: {
  custom: {
    50: '#946aad',
    500: '#642d8a',
    950: '#000000',
  },
}

SCSS

$custom: #642d8a;
$custom-light: #946aad;
$custom-dark: #000000;

JSON

{
  "hex": "#642d8a",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 138
  },
  "hsl": {
    "h": 275.484,
    "s": 50.82,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41867,
    "c": 0.15119,
    "h": 308.4
  },
  "luminance": 0.06421
}

Semantic roles & 50–950 ramp

primary

#642D8A

secondary

#82B360

accent

#DA4D87

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642D8A

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

Preview Lab → · Contrast checker → · Palette generator →