#641B61#641B61

#641B61 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.0% C 0.135 H 329.6°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#641B61
RGB	rgb(100, 27, 97)
HSL	hsl(302, 57%, 25%)
HSV	hsv(302, 73%, 39%)
CMYK	cmyk(0%, 73%, 3%, 60.8%)
CIE-LAB	lab(24.82, 41.39, -24.81)
CIE-LCH	lch(24.82, 48.26, 329.06°)
OKLab	oklab(36.96% 0.1169 -0.0684)
OKLCH	oklch(36.96% 0.135 329.6)
XYZ	xyz(7.8051, 4.3568, 11.7368)
Luminance	0.0436 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B61 #1B641E

analogous

#431B64 #641B61 #641B3C

triadic

#641B61 #61641B #1B6164

tetradic

#641B61 #64431B #1B641E #1B3C64

square

#641B61 #64431B #1B641E #1B3C64

split-complementary

#641B61 #3C641B #1B6443

monochromatic

#180717 #340E32 #641B61 #942890 #C435BE

Accessibility & contrast

On white

11.22

#641B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#641B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B61

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B61	#FFFFFF	#000000	##FFFFFF
##641B61	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133563

Deuteranopia (green-blind)

#303E5F

Tritanopia (blue-blind)

#68243C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #641b61;
/* rgb */ color: rgb(100, 27, 97);
/* oklch */ color: oklch(37.0% 0.135 329.6);

Tailwind

colors: {
  custom: {
    50: '#935f8e',
    500: '#641b61',
    950: '#000000',
  },
}

SCSS

$custom: #641b61;
$custom-light: #935f8e;
$custom-dark: #000000;

JSON

{
  "hex": "#641b61",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 97
  },
  "hsl": {
    "h": 302.466,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36962,
    "c": 0.13542,
    "h": 329.6
  },
  "luminance": 0.04356
}

Semantic roles & 50–950 ramp

primary

#641B61

secondary

#419945

accent

#E14D47

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #641B61

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

Preview Lab → · Contrast checker → · Palette generator →