#642A8A#642A8A

#642A8A is a dark, vivid violet. Relative luminance 0.062; OKLCH L 41.5% C 0.155 H 308.8°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#642A8A
RGB	rgb(100, 42, 138)
HSL	hsl(276, 53%, 35%)
HSV	hsv(276, 70%, 54%)
CMYK	cmyk(27.5%, 69.6%, 0%, 45.9%)
CIE-LAB	lab(29.91, 43.30, -42.77)
CIE-LCH	lch(29.91, 60.87, 315.35°)
OKLab	oklab(41.48% 0.0975 -0.121)
OKLCH	oklch(41.48% 0.155 308.8)
XYZ	xyz(10.6700, 6.2004, 24.6745)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A8A #508A2A

analogous

#342A8A #642A8A #8A2A80

triadic

#642A8A #8A642A #2A8A64

tetradic

#642A8A #8A342A #508A2A #2A808A

square

#642A8A #8A342A #508A2A #2A808A

split-complementary

#642A8A #808A2A #2A8A34

monochromatic

#200D2C #421C5B #642A8A #8638B9 #A360CF

Accessibility & contrast

On white

9.38

#642A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#642A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A8A

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A8A	#FFFFFF	#000000	##FFFFFF
##642A8A	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#174788

Tritanopia (blue-blind)

#5E3F56

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #642a8a;
/* rgb */ color: rgb(100, 42, 138);
/* oklch */ color: oklch(41.5% 0.155 308.8);

Tailwind

colors: {
  custom: {
    50: '#9468ad',
    500: '#642a8a',
    950: '#000000',
  },
}

SCSS

$custom: #642a8a;
$custom-light: #9468ad;
$custom-dark: #000000;

JSON

{
  "hex": "#642a8a",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 138
  },
  "hsl": {
    "h": 276.25,
    "s": 53.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41481,
    "c": 0.1554,
    "h": 308.8
  },
  "luminance": 0.062
}

Semantic roles & 50–950 ramp

primary

#642A8A

secondary

#7FB45B

accent

#DD4B85

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0610

muted

#7E7A7F

Preview Lab

Preview with #642A8A

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

Preview Lab → · Contrast checker → · Palette generator →