#643A69#643A69

#643A69 is a dark, moderate purple. Relative luminance 0.068; OKLCH L 41.8% C 0.091 H 323.1°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#643A69
RGB	rgb(100, 58, 105)
HSL	hsl(294, 29%, 32%)
HSV	hsv(294, 45%, 41%)
CMYK	cmyk(4.8%, 44.8%, 0%, 58.8%)
CIE-LAB	lab(31.24, 26.91, -19.91)
CIE-LCH	lch(31.24, 33.48, 323.51°)
OKLab	oklab(41.82% 0.0728 -0.0546)
OKLCH	oklch(41.82% 0.091 323.1)
XYZ	xyz(9.3181, 6.7557, 14.1750)
Luminance	0.0675 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A69 #3F693A

analogous

#4D3A69 #643A69 #693A57

triadic

#643A69 #69643A #3A6964

tetradic

#643A69 #694D3A #3F693A #3A5769

square

#643A69 #694D3A #3F693A #3A5769

split-complementary

#643A69 #57693A #3A694D

monochromatic

#190E1A #3E2442 #643A69 #8A5090 #A86EAF

Accessibility & contrast

On white

8.93

#643A69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#643A69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A69

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A69	#FFFFFF	#000000	##FFFFFF
##643A69	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35466B

Deuteranopia (green-blind)

#404B68

Tritanopia (blue-blind)

#663F4C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643a69;
/* rgb */ color: rgb(100, 58, 105);
/* oklch */ color: oklch(41.8% 0.091 323.1);

Tailwind

colors: {
  custom: {
    50: '#917194',
    500: '#643a69',
    950: '#000000',
  },
}

SCSS

$custom: #643a69;
$custom-light: #917194;
$custom-dark: #000000;

JSON

{
  "hex": "#643a69",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 105
  },
  "hsl": {
    "h": 293.617,
    "s": 28.834,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41824,
    "c": 0.09104,
    "h": 323.1
  },
  "luminance": 0.06755
}

Semantic roles & 50–950 ramp

primary

#643A69

secondary

#6B9966

accent

#C5636D

background

#F9F6F9

surface

#F1ECF1

border

#CBC7CB

text

#0D080D

muted

#7E7B7E

Preview Lab

Preview with #643A69

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

Preview Lab → · Contrast checker → · Palette generator →