#641B5D#641B5D

#641B5D is a dark, vivid purple. Relative luminance 0.043; OKLCH L 36.7% C 0.132 H 332.0°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#641B5D
RGB	rgb(100, 27, 93)
HSL	hsl(306, 57%, 25%)
HSV	hsv(306, 73%, 39%)
CMYK	cmyk(0%, 73%, 7%, 60.8%)
CIE-LAB	lab(24.59, 40.67, -22.54)
CIE-LCH	lch(24.59, 46.50, 331.01°)
OKLab	oklab(36.72% 0.1166 -0.0619)
OKLCH	oklch(36.72% 0.132 332)
XYZ	xyz(7.6233, 4.2841, 10.7792)
Luminance	0.0428 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B5D #1B6422

analogous

#461B64 #641B5D #641B39

triadic

#641B5D #5D641B #1B5D64

tetradic

#641B5D #64461B #1B6422 #1B3964

square

#641B5D #64461B #1B6422 #1B3964

split-complementary

#641B5D #39641B #1B6446

monochromatic

#180716 #340E30 #641B5D #94288A #C435B7

Accessibility & contrast

On white

11.31

#641B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#641B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B5D

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B5D	#FFFFFF	#000000	##FFFFFF
##641B5D	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17345F

Deuteranopia (green-blind)

#313E5B

Tritanopia (blue-blind)

#682239

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #641b5d;
/* rgb */ color: rgb(100, 27, 93);
/* oklch */ color: oklch(36.7% 0.132 332.0);

Tailwind

colors: {
  custom: {
    50: '#935f8b',
    500: '#641b5d',
    950: '#000000',
  },
}

SCSS

$custom: #641b5d;
$custom-light: #935f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#641b5d",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 93
  },
  "hsl": {
    "h": 305.753,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36723,
    "c": 0.132,
    "h": 332
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#641B5D

secondary

#41994A

accent

#E15647

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #641B5D

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

Preview Lab → · Contrast checker → · Palette generator →