#641B5E#641B5E

#641B5E is a dark, vivid purple. Relative luminance 0.043; OKLCH L 36.8% C 0.133 H 331.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#641B5E
RGB	rgb(100, 27, 94)
HSL	hsl(305, 57%, 25%)
HSV	hsv(305, 73%, 39%)
CMYK	cmyk(0%, 73%, 6%, 60.8%)
CIE-LAB	lab(24.65, 40.85, -23.11)
CIE-LCH	lch(24.65, 46.93, 330.50°)
OKLab	oklab(36.78% 0.1167 -0.0635)
OKLCH	oklch(36.78% 0.133 331.4)
XYZ	xyz(7.6678, 4.3019, 11.0140)
Luminance	0.0430 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B5E #1B6421

analogous

#461B64 #641B5E #641B39

triadic

#641B5E #5E641B #1B5E64

tetradic

#641B5E #64461B #1B6421 #1B3964

square

#641B5E #64461B #1B6421 #1B3964

split-complementary

#641B5E #39641B #1B6446

monochromatic

#180717 #340E31 #641B5E #94288B #C435B9

Accessibility & contrast

On white

11.29

#641B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#641B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B5E

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B5E	#FFFFFF	#000000	##FFFFFF
##641B5E	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163460

Deuteranopia (green-blind)

#313E5C

Tritanopia (blue-blind)

#68233A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #641b5e;
/* rgb */ color: rgb(100, 27, 94);
/* oklch */ color: oklch(36.8% 0.133 331.4);

Tailwind

colors: {
  custom: {
    50: '#935f8c',
    500: '#641b5e',
    950: '#000000',
  },
}

SCSS

$custom: #641b5e;
$custom-light: #935f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#641b5e",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 94
  },
  "hsl": {
    "h": 304.932,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36782,
    "c": 0.13285,
    "h": 331.4
  },
  "luminance": 0.04301
}

Semantic roles & 50–950 ramp

primary

#641B5E

secondary

#419949

accent

#E15447

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #641B5E

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

Preview Lab → · Contrast checker → · Palette generator →