#642B99#642B99

#642B99 is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.8% C 0.170 H 303.6°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#642B99
RGB	rgb(100, 43, 153)
HSL	hsl(271, 56%, 38%)
HSV	hsv(271, 72%, 60%)
CMYK	cmyk(34.6%, 71.9%, 0%, 40%)
CIE-LAB	lab(31.20, 46.46, -49.92)
CIE-LCH	lch(31.20, 68.19, 312.94°)
OKLab	oklab(42.75% 0.0943 -0.142)
OKLCH	oklch(42.75% 0.17 303.6)
XYZ	xyz(11.8678, 6.7370, 30.8060)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642B99 #60992B

analogous

#2D2B99 #642B99 #992B97

triadic

#642B99 #99642B #2B9964

tetradic

#642B99 #992D2B #60992B #2B9799

square

#642B99 #992D2B #60992B #2B9799

split-complementary

#642B99 #97992B #2B992D

monochromatic

#261039 #451E69 #642B99 #833AC8 #A169D5

Accessibility & contrast

On white

8.95

#642B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#642B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642B99

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642B99	#FFFFFF	#000000	##FFFFFF
##642B99	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#5A455F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #642b99;
/* rgb */ color: rgb(100, 43, 153);
/* oklch */ color: oklch(42.8% 0.170 303.6);

Tailwind

colors: {
  custom: {
    50: '#9569b8',
    500: '#642b99',
    950: '#000000',
  },
}

SCSS

$custom: #642b99;
$custom-light: #9569b8;
$custom-dark: #000000;

JSON

{
  "hex": "#642b99",
  "rgb": {
    "r": 100,
    "g": 43,
    "b": 153
  },
  "hsl": {
    "h": 271.091,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42752,
    "c": 0.17046,
    "h": 303.6
  },
  "luminance": 0.06737
}

Semantic roles & 50–950 ramp

primary

#642B99

secondary

#8EBC64

accent

#DF4891

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642B99

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

Preview Lab → · Contrast checker → · Palette generator →