#642B8A#642B8A

#642B8A is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.6% C 0.154 H 308.7°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#642B8A
RGB	rgb(100, 43, 138)
HSL	hsl(276, 52%, 35%)
HSV	hsv(276, 69%, 54%)
CMYK	cmyk(27.5%, 68.8%, 0%, 45.9%)
CIE-LAB	lab(30.09, 42.81, -42.49)
CIE-LCH	lch(30.09, 60.32, 315.22°)
OKLab	oklab(41.61% 0.0963 -0.1202)
OKLCH	oklch(41.61% 0.154 308.7)
XYZ	xyz(10.7059, 6.2722, 24.6865)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642B8A #518A2B

analogous

#342B8A #642B8A #8A2B80

triadic

#642B8A #8A642B #2B8A64

tetradic

#642B8A #8A342B #518A2B #2B808A

square

#642B8A #8A342B #518A2B #2B808A

split-complementary

#642B8A #808A2B #2B8A34

monochromatic

#200E2D #421C5B #642B8A #863AB9 #A361CE

Accessibility & contrast

On white

9.32

#642B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#642B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642B8A

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642B8A	#FFFFFF	#000000	##FFFFFF
##642B8A	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458D

Deuteranopia (green-blind)

#194888

Tritanopia (blue-blind)

#5E3F57

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642b8a;
/* rgb */ color: rgb(100, 43, 138);
/* oklch */ color: oklch(41.6% 0.154 308.7);

Tailwind

colors: {
  custom: {
    50: '#9469ad',
    500: '#642b8a',
    950: '#000000',
  },
}

SCSS

$custom: #642b8a;
$custom-light: #9469ad;
$custom-dark: #000000;

JSON

{
  "hex": "#642b8a",
  "rgb": {
    "r": 100,
    "g": 43,
    "b": 138
  },
  "hsl": {
    "h": 276,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41607,
    "c": 0.15402,
    "h": 308.7
  },
  "luminance": 0.06272
}

Semantic roles & 50–950 ramp

primary

#642B8A

secondary

#80B45D

accent

#DC4C85

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0610

muted

#7E7A7F

Preview Lab

Preview with #642B8A

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

Preview Lab → · Contrast checker → · Palette generator →