#641B73#641B73

#641B73 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.152 H 320.2°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#641B73
RGB	rgb(100, 27, 115)
HSL	hsl(290, 62%, 28%)
HSV	hsv(290, 77%, 45%)
CMYK	cmyk(13%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(25.96, 44.85, -34.65)
CIE-LCH	lch(25.96, 56.68, 322.31°)
OKLab	oklab(38.14% 0.1164 -0.0971)
OKLCH	oklch(38.14% 0.152 320.2)
XYZ	xyz(8.7416, 4.7314, 16.6691)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B73 #2A731B

analogous

#381B73 #641B73 #731B56

triadic

#641B73 #73641B #1B7364

tetradic

#641B73 #73381B #2A731B #1B5673

square

#641B73 #73381B #2A731B #1B5673

split-complementary

#641B73 #56731B #1B7338

monochromatic

#160619 #390F41 #641B73 #8F27A5 #B638D0

Accessibility & contrast

On white

10.79

#641B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#641B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B73

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B73	#FFFFFF	#000000	##FFFFFF
##641B73	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003875

Deuteranopia (green-blind)

#234071

Tritanopia (blue-blind)

#642C45

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641b73;
/* rgb */ color: rgb(100, 27, 115);
/* oklch */ color: oklch(38.1% 0.152 320.2);

Tailwind

colors: {
  custom: {
    50: '#93609c',
    500: '#641b73',
    950: '#000000',
  },
}

SCSS

$custom: #641b73;
$custom-light: #93609c;
$custom-dark: #000000;

JSON

{
  "hex": "#641b73",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 289.773,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38143,
    "c": 0.15163,
    "h": 320.2
  },
  "luminance": 0.04731
}

Semantic roles & 50–950 ramp

primary

#641B73

secondary

#53A842

accent

#E5435E

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641B73

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

Preview Lab → · Contrast checker → · Palette generator →