#643E65#643E65

#643E65 is a dark, moderate purple. Relative luminance 0.071; OKLCH L 42.3% C 0.079 H 326.0°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#643E65
RGB	rgb(100, 62, 101)
HSL	hsl(298, 24%, 32%)
HSV	hsv(298, 39%, 40%)
CMYK	cmyk(1%, 38.6%, 0%, 60.4%)
CIE-LAB	lab(32.02, 23.64, -16.16)
CIE-LCH	lch(32.02, 28.63, 325.64°)
OKLab	oklab(42.35% 0.0652 -0.044)
OKLCH	oklch(42.35% 0.079 326)
XYZ	xyz(9.3269, 7.0945, 13.1875)
Luminance	0.0709 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E65 #3F653E

analogous

#513E65 #643E65 #653E53

triadic

#643E65 #65643E #3E6564

tetradic

#643E65 #65513E #3F653E #3E5365

square

#643E65 #65513E #3F653E #3E5365

split-complementary

#643E65 #53653E #3E6551

monochromatic

#190F19 #3E273F #643E65 #8A558B #A874AA

Accessibility & contrast

On white

8.68

#643E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#643E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E65

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E65	#FFFFFF	#000000	##FFFFFF
##643E65	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4866

Deuteranopia (green-blind)

#444D64

Tritanopia (blue-blind)

#66424D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643e65;
/* rgb */ color: rgb(100, 62, 101);
/* oklch */ color: oklch(42.3% 0.079 326.0);

Tailwind

colors: {
  custom: {
    50: '#917491',
    500: '#643e65',
    950: '#000000',
  },
}

SCSS

$custom: #643e65;
$custom-light: #917491;
$custom-dark: #000000;

JSON

{
  "hex": "#643e65",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 101
  },
  "hsl": {
    "h": 298.462,
    "s": 23.926,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42347,
    "c": 0.07862,
    "h": 326
  },
  "luminance": 0.07094
}

Semantic roles & 50–950 ramp

primary

#643E65

secondary

#6B956A

accent

#C0676A

background

#F8F7F8

surface

#F0EDF0

border

#CBC8CB

text

#0D080C

muted

#7D7B7D

Preview Lab

Preview with #643E65

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

Preview Lab → · Contrast checker → · Palette generator →