#642A8D#642A8D

#642A8D is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.7% C 0.159 H 307.7°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#642A8D
RGB	rgb(100, 42, 141)
HSL	hsl(275, 54%, 36%)
HSV	hsv(275, 70%, 55%)
CMYK	cmyk(29.1%, 70.2%, 0%, 44.7%)
CIE-LAB	lab(30.13, 44.02, -44.28)
CIE-LCH	lch(30.13, 62.44, 314.83°)
OKLab	oklab(41.7% 0.0971 -0.1255)
OKLCH	oklch(41.7% 0.159 307.7)
XYZ	xyz(10.8902, 6.2885, 25.8342)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A8D #538D2A

analogous

#332A8D #642A8D #8D2A84

triadic

#642A8D #8D642A #2A8D64

tetradic

#642A8D #8D332A #538D2A #2A848D

square

#642A8D #8D332A #538D2A #2A848D

split-complementary

#642A8D #848D2A #2A8D33

monochromatic

#210E2F #431C5E #642A8D #8538BC #A261D0

Accessibility & contrast

On white

9.30

#642A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#642A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A8D

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A8D	#FFFFFF	#000000	##FFFFFF
##642A8D	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#12478B

Tritanopia (blue-blind)

#5D4058

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642a8d;
/* rgb */ color: rgb(100, 42, 141);
/* oklch */ color: oklch(41.7% 0.159 307.7);

Tailwind

colors: {
  custom: {
    50: '#9468af',
    500: '#642a8d',
    950: '#000000',
  },
}

SCSS

$custom: #642a8d;
$custom-light: #9468af;
$custom-dark: #000000;

JSON

{
  "hex": "#642a8d",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 141
  },
  "hsl": {
    "h": 275.152,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41704,
    "c": 0.15867,
    "h": 307.7
  },
  "luminance": 0.06288
}

Semantic roles & 50–950 ramp

primary

#642A8D

secondary

#82B65D

accent

#DD4A87

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #642A8D

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

Preview Lab → · Contrast checker → · Palette generator →