#641B5C#641B5C

#641B5C is a dark, vivid purple. Relative luminance 0.043; OKLCH L 36.7% C 0.131 H 332.7°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#641B5C
RGB	rgb(100, 27, 92)
HSL	hsl(307, 57%, 25%)
HSV	hsv(307, 73%, 39%)
CMYK	cmyk(0%, 73%, 8%, 60.8%)
CIE-LAB	lab(24.53, 40.50, -21.97)
CIE-LCH	lch(24.53, 46.07, 331.52°)
OKLab	oklab(36.67% 0.1165 -0.0602)
OKLCH	oklch(36.67% 0.131 332.7)
XYZ	xyz(7.5793, 4.2665, 10.5475)
Luminance	0.0427 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B5C #1B6423

analogous

#471B64 #641B5C #641B38

triadic

#641B5C #5C641B #1B5C64

tetradic

#641B5C #64471B #1B6423 #1B3864

square

#641B5C #64471B #1B6423 #1B3864

split-complementary

#641B5C #38641B #1B6447

monochromatic

#180716 #340E30 #641B5C #942888 #C435B5

Accessibility & contrast

On white

11.33

#641B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#641B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B5C

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B5C	#FFFFFF	#000000	##FFFFFF
##641B5C	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18345E

Deuteranopia (green-blind)

#323E5A

Tritanopia (blue-blind)

#692239

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #641b5c;
/* rgb */ color: rgb(100, 27, 92);
/* oklch */ color: oklch(36.7% 0.131 332.7);

Tailwind

colors: {
  custom: {
    50: '#935f8a',
    500: '#641b5c',
    950: '#000000',
  },
}

SCSS

$custom: #641b5c;
$custom-light: #935f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#641b5c",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 92
  },
  "hsl": {
    "h": 306.575,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36665,
    "c": 0.13116,
    "h": 332.7
  },
  "luminance": 0.04266
}

Semantic roles & 50–950 ramp

primary

#641B5C

secondary

#41994B

accent

#E15847

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #641B5C

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

Preview Lab → · Contrast checker → · Palette generator →