#643E69#643E69

#643E69 is a dark, moderate purple. Relative luminance 0.072; OKLCH L 42.5% C 0.083 H 322.7°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#643E69
RGB	rgb(100, 62, 105)
HSL	hsl(293, 26%, 33%)
HSV	hsv(293, 41%, 41%)
CMYK	cmyk(4.8%, 41%, 0%, 58.8%)
CIE-LAB	lab(32.20, 24.50, -18.42)
CIE-LCH	lch(32.20, 30.66, 323.06°)
OKLab	oklab(42.54% 0.0662 -0.0504)
OKLCH	oklch(42.54% 0.083 322.7)
XYZ	xyz(9.5277, 7.1748, 14.2449)
Luminance	0.0717 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E69 #43693E

analogous

#4E3E69 #643E69 #693E59

triadic

#643E69 #69643E #3E6964

tetradic

#643E69 #694E3E #43693E #3E5969

square

#643E69 #694E3E #43693E #3E5969

split-complementary

#643E69 #59693E #3E694E

monochromatic

#1B111C #3F2743 #643E69 #89558F #A674AD

Accessibility & contrast

On white

8.62

#643E69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#643E69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E69

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E69	#FFFFFF	#000000	##FFFFFF
##643E69	1.00	8.62	2.43	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39496B

Deuteranopia (green-blind)

#434D68

Tritanopia (blue-blind)

#65434E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #643e69;
/* rgb */ color: rgb(100, 62, 105);
/* oklch */ color: oklch(42.5% 0.083 322.7);

Tailwind

colors: {
  custom: {
    50: '#917494',
    500: '#643e69',
    950: '#000000',
  },
}

SCSS

$custom: #643e69;
$custom-light: #917494;
$custom-dark: #000000;

JSON

{
  "hex": "#643e69",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 105
  },
  "hsl": {
    "h": 293.023,
    "s": 25.749,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42542,
    "c": 0.08322,
    "h": 322.7
  },
  "luminance": 0.07174
}

Semantic roles & 50–950 ramp

primary

#643E69

secondary

#70986B

accent

#C26670

background

#F9F7F9

surface

#F1EDF1

border

#CBC8CB

text

#0D080D

muted

#7E7B7E

Preview Lab

Preview with #643E69

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

Preview Lab → · Contrast checker → · Palette generator →