#641B5A#641B5A

#641B5A is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.5% C 0.130 H 333.9°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#641B5A
RGB	rgb(100, 27, 90)
HSL	hsl(308, 57%, 25%)
HSV	hsv(308, 73%, 39%)
CMYK	cmyk(0%, 73%, 10%, 60.8%)
CIE-LAB	lab(24.42, 40.15, -20.82)
CIE-LCH	lch(24.42, 45.23, 332.59°)
OKLab	oklab(36.55% 0.1163 -0.0569)
OKLCH	oklch(36.55% 0.13 333.9)
XYZ	xyz(7.4930, 4.2320, 10.0931)
Luminance	0.0423 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B5A #1B6425

analogous

#491B64 #641B5A #641B36

triadic

#641B5A #5A641B #1B5A64

tetradic

#641B5A #64491B #1B6425 #1B3664

square

#641B5A #64491B #1B6425 #1B3664

split-complementary

#641B5A #36641B #1B6449

monochromatic

#180716 #340E2F #641B5A #942885 #C435B1

Accessibility & contrast

On white

11.37

#641B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#641B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B5A

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B5A	#FFFFFF	#000000	##FFFFFF
##641B5A	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19335C

Deuteranopia (green-blind)

#333E58

Tritanopia (blue-blind)

#692138

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #641b5a;
/* rgb */ color: rgb(100, 27, 90);
/* oklch */ color: oklch(36.5% 0.130 333.9);

Tailwind

colors: {
  custom: {
    50: '#935f89',
    500: '#641b5a',
    950: '#000000',
  },
}

SCSS

$custom: #641b5a;
$custom-light: #935f89;
$custom-dark: #000000;

JSON

{
  "hex": "#641b5a",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 90
  },
  "hsl": {
    "h": 308.219,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3655,
    "c": 0.1295,
    "h": 333.9
  },
  "luminance": 0.04231
}

Semantic roles & 50–950 ramp

primary

#641B5A

secondary

#41994D

accent

#E15C47

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0D050B

muted

#7E797C

Preview Lab

Preview with #641B5A

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

Preview Lab → · Contrast checker → · Palette generator →