#641B5B#641B5B

#641B5B is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.6% C 0.130 H 333.3°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#641B5B
RGB	rgb(100, 27, 91)
HSL	hsl(307, 57%, 25%)
HSV	hsv(307, 73%, 39%)
CMYK	cmyk(0%, 73%, 9%, 60.8%)
CIE-LAB	lab(24.48, 40.32, -21.39)
CIE-LCH	lch(24.48, 45.65, 332.05°)
OKLab	oklab(36.61% 0.1164 -0.0586)
OKLCH	oklch(36.61% 0.13 333.3)
XYZ	xyz(7.5358, 4.2491, 10.3188)
Luminance	0.0425 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B5B #1B6424

analogous

#481B64 #641B5B #641B37

triadic

#641B5B #5B641B #1B5B64

tetradic

#641B5B #64481B #1B6424 #1B3764

square

#641B5B #64481B #1B6424 #1B3764

split-complementary

#641B5B #37641B #1B6448

monochromatic

#180716 #340E2F #641B5B #942887 #C435B3

Accessibility & contrast

On white

11.35

#641B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#641B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B5B

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B5B	#FFFFFF	#000000	##FFFFFF
##641B5B	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19335D

Deuteranopia (green-blind)

#323E59

Tritanopia (blue-blind)

#692238

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #641b5b;
/* rgb */ color: rgb(100, 27, 91);
/* oklch */ color: oklch(36.6% 0.130 333.3);

Tailwind

colors: {
  custom: {
    50: '#935f89',
    500: '#641b5b',
    950: '#000000',
  },
}

SCSS

$custom: #641b5b;
$custom-light: #935f89;
$custom-dark: #000000;

JSON

{
  "hex": "#641b5b",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 91
  },
  "hsl": {
    "h": 307.397,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36607,
    "c": 0.13033,
    "h": 333.3
  },
  "luminance": 0.04249
}

Semantic roles & 50–950 ramp

primary

#641B5B

secondary

#41994C

accent

#E15A47

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050B

muted

#7E797C

Preview Lab

Preview with #641B5B

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

Preview Lab → · Contrast checker → · Palette generator →