#641981#641981

#641981 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.0% C 0.167 H 314.2°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#641981
RGB	rgb(100, 25, 129)
HSL	hsl(283, 68%, 30%)
HSV	hsv(283, 81%, 51%)
CMYK	cmyk(22.5%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(26.71, 48.49, -42.33)
CIE-LCH	lch(26.71, 64.37, 318.88°)
OKLab	oklab(38.99% 0.1164 -0.1196)
OKLCH	oklch(38.99% 0.167 314.2)
XYZ	xyz(9.5649, 4.9899, 21.2239)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641981 #368119

analogous

#301981 #641981 #81196A

triadic

#641981 #816419 #198164

tetradic

#641981 #813019 #368119 #196A81

square

#641981 #813019 #368119 #196A81

split-complementary

#641981 #6A8119 #198130

monochromatic

#15051A #3C0F4E #641981 #8C23B4 #AD3BD9

Accessibility & contrast

On white

10.51

#641981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#641981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641981

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641981	#FFFFFF	#000000	##FFFFFF
##641981	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#10417F

Tritanopia (blue-blind)

#61324D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641981;
/* rgb */ color: rgb(100, 25, 129);
/* oklch */ color: oklch(39.0% 0.167 314.2);

Tailwind

colors: {
  custom: {
    50: '#9460a6',
    500: '#641981',
    950: '#000000',
  },
}

SCSS

$custom: #641981;
$custom-light: #9460a6;
$custom-dark: #000000;

JSON

{
  "hex": "#641981",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 283.269,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.38994,
    "c": 0.16687,
    "h": 314.2
  },
  "luminance": 0.0499
}

Semantic roles & 50–950 ramp

primary

#641981

secondary

#61B541

accent

#EA3D6E

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #641981

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

Preview Lab → · Contrast checker → · Palette generator →