#642891#642891

#642891 is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.8% C 0.166 H 306.6°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#642891
RGB	rgb(100, 40, 145)
HSL	hsl(274, 57%, 36%)
HSV	hsv(274, 72%, 57%)
CMYK	cmyk(31%, 72.4%, 0%, 43.1%)
CIE-LAB	lab(30.09, 45.92, -46.82)
CIE-LCH	lch(30.09, 65.58, 314.45°)
OKLab	oklab(41.77% 0.0988 -0.1329)
OKLCH	oklch(41.77% 0.166 306.6)
XYZ	xyz(11.1241, 6.2714, 27.4070)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642891 #559128

analogous

#302891 #642891 #91288A

triadic

#642891 #916428 #289164

tetradic

#642891 #913028 #559128 #288A91

square

#642891 #913028 #559128 #288A91

split-complementary

#642891 #8A9128 #289130

monochromatic

#220E31 #431B61 #642891 #8535C1 #A260D3

Accessibility & contrast

On white

9.32

#642891 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#642891 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642891

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642891	#FFFFFF	#000000	##FFFFFF
##642891	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)

#004594

Deuteranopia (green-blind)

#02478F

Tritanopia (blue-blind)

#5C405A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642891;
/* rgb */ color: rgb(100, 40, 145);
/* oklch */ color: oklch(41.8% 0.166 306.6);

Tailwind

colors: {
  custom: {
    50: '#9467b2',
    500: '#642891',
    950: '#000000',
  },
}

SCSS

$custom: #642891;
$custom-light: #9467b2;
$custom-dark: #000000;

JSON

{
  "hex": "#642891",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 145
  },
  "hsl": {
    "h": 274.286,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41768,
    "c": 0.16559,
    "h": 306.6
  },
  "luminance": 0.06271
}

Semantic roles & 50–950 ramp

primary

#642891

secondary

#84B95C

accent

#E04889

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #642891

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

Preview Lab → · Contrast checker → · Palette generator →