#641D81#641D81

#641D81 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.4% C 0.163 H 313.9°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#641D81
RGB	rgb(100, 29, 129)
HSL	hsl(283, 63%, 31%)
HSV	hsv(283, 78%, 51%)
CMYK	cmyk(22.5%, 77.5%, 0%, 49.4%)
CIE-LAB	lab(27.22, 47.00, -41.50)
CIE-LCH	lch(27.22, 62.70, 318.56°)
OKLab	oklab(39.36% 0.1127 -0.1172)
OKLCH	oklch(39.36% 0.163 313.9)
XYZ	xyz(9.6567, 5.1734, 21.2545)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D81 #3A811D

analogous

#321D81 #641D81 #811D6C

triadic

#641D81 #81641D #1D8164

tetradic

#641D81 #81321D #3A811D #1D6C81

square

#641D81 #81321D #3A811D #1D6C81

split-complementary

#641D81 #6C811D #1D8132

monochromatic

#17071D #3D124F #641D81 #8B28B3 #AB44D5

Accessibility & contrast

On white

10.32

#641D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#641D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D81

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D81	#FFFFFF	#000000	##FFFFFF
##641D81	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#15427F

Tritanopia (blue-blind)

#61344E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #641d81;
/* rgb */ color: rgb(100, 29, 129);
/* oklch */ color: oklch(39.4% 0.163 313.9);

Tailwind

colors: {
  custom: {
    50: '#9461a6',
    500: '#641d81',
    950: '#000000',
  },
}

SCSS

$custom: #641d81;
$custom-light: #9461a6;
$custom-dark: #000000;

JSON

{
  "hex": "#641d81",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 129
  },
  "hsl": {
    "h": 282.6,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39359,
    "c": 0.16256,
    "h": 313.9
  },
  "luminance": 0.05173
}

Semantic roles & 50–950 ramp

primary

#641D81

secondary

#66B446

accent

#E64171

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #641D81

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

Preview Lab → · Contrast checker → · Palette generator →