#643E68#643E68

#643E68 is a dark, moderate purple. Relative luminance 0.072; OKLCH L 42.5% C 0.082 H 323.5°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#643E68
RGB	rgb(100, 62, 104)
HSL	hsl(294, 25%, 33%)
HSV	hsv(294, 40%, 41%)
CMYK	cmyk(3.8%, 40.4%, 0%, 59.2%)
CIE-LAB	lab(32.16, 24.28, -17.86)
CIE-LCH	lch(32.16, 30.14, 323.67°)
OKLab	oklab(42.49% 0.066 -0.0488)
OKLCH	oklch(42.49% 0.082 323.5)
XYZ	xyz(9.4766, 7.1544, 13.9758)
Luminance	0.0715 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E68 #42683E

analogous

#4F3E68 #643E68 #683E57

triadic

#643E68 #68643E #3E6864

tetradic

#643E68 #684F3E #42683E #3E5768

square

#643E68 #684F3E #42683E #3E5768

split-complementary

#643E68 #57683E #3E684F

monochromatic

#1A101B #3F2742 #643E68 #89558E #A774AC

Accessibility & contrast

On white

8.64

#643E68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#643E68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E68

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E68	#FFFFFF	#000000	##FFFFFF
##643E68	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A496A

Deuteranopia (green-blind)

#434D67

Tritanopia (blue-blind)

#66424E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #643e68;
/* rgb */ color: rgb(100, 62, 104);
/* oklch */ color: oklch(42.5% 0.082 323.5);

Tailwind

colors: {
  custom: {
    50: '#917493',
    500: '#643e68',
    950: '#000000',
  },
}

SCSS

$custom: #643e68;
$custom-light: #917493;
$custom-dark: #000000;

JSON

{
  "hex": "#643e68",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 104
  },
  "hsl": {
    "h": 294.286,
    "s": 25.301,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42493,
    "c": 0.08205,
    "h": 323.5
  },
  "luminance": 0.07154
}

Semantic roles & 50–950 ramp

primary

#643E68

secondary

#6F976B

accent

#C2666F

background

#F9F7F9

surface

#F1EDF1

border

#CBC8CB

text

#0D080D

muted

#7E7B7E

Preview Lab

Preview with #643E68

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

Preview Lab → · Contrast checker → · Palette generator →