#642B91#642B91

#642B91 is a dark, vivid violet. Relative luminance 0.065; OKLCH L 42.1% C 0.162 H 306.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#642B91
RGB	rgb(100, 43, 145)
HSL	hsl(274, 54%, 37%)
HSV	hsv(274, 70%, 57%)
CMYK	cmyk(31%, 70.3%, 0%, 43.1%)
CIE-LAB	lab(30.60, 44.50, -45.99)
CIE-LCH	lch(30.60, 64.00, 314.05°)
OKLab	oklab(42.13% 0.0955 -0.1305)
OKLCH	oklch(42.13% 0.162 306.2)
XYZ	xyz(11.2291, 6.4815, 27.4421)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642B91 #58912B

analogous

#312B91 #642B91 #912B8B

triadic

#642B91 #91642B #2B9164

tetradic

#642B91 #91312B #58912B #2B8B91

square

#642B91 #91312B #58912B #2B8B91

split-complementary

#642B91 #8B912B #2B9131

monochromatic

#230F33 #431D62 #642B91 #8539C0 #A265D1

Accessibility & contrast

On white

9.15

#642B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#642B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642B91

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642B91	#FFFFFF	#000000	##FFFFFF
##642B91	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004694

Deuteranopia (green-blind)

#0A488F

Tritanopia (blue-blind)

#5C425A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642b91;
/* rgb */ color: rgb(100, 43, 145);
/* oklch */ color: oklch(42.1% 0.162 306.2);

Tailwind

colors: {
  custom: {
    50: '#9469b2',
    500: '#642b91',
    950: '#000000',
  },
}

SCSS

$custom: #642b91;
$custom-light: #9469b2;
$custom-dark: #000000;

JSON

{
  "hex": "#642b91",
  "rgb": {
    "r": 100,
    "g": 43,
    "b": 145
  },
  "hsl": {
    "h": 273.529,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42131,
    "c": 0.1617,
    "h": 306.2
  },
  "luminance": 0.06481
}

Semantic roles & 50–950 ramp

primary

#642B91

secondary

#87B860

accent

#DE4A8B

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642B91

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

Preview Lab → · Contrast checker → · Palette generator →