#643E60#643E60

#643E60 is a dark, moderate purple. Relative luminance 0.070; OKLCH L 42.1% C 0.073 H 330.6°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#643E60
RGB	rgb(100, 62, 96)
HSL	hsl(306, 23%, 32%)
HSV	hsv(306, 38%, 39%)
CMYK	cmyk(0%, 38%, 4%, 60.8%)
CIE-LAB	lab(31.81, 22.59, -13.30)
CIE-LCH	lch(31.81, 26.21, 329.52°)
OKLab	oklab(42.11% 0.0637 -0.0359)
OKLCH	oklch(42.11% 0.073 330.6)
XYZ	xyz(9.0893, 6.9995, 11.9363)
Luminance	0.0700 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E60 #3E6442

analogous

#553E64 #643E60 #643E4D

triadic

#643E60 #60643E #3E6064

tetradic

#643E60 #64553E #3E6442 #3E4D64

square

#643E60 #64553E #3E6442 #3E4D64

split-complementary

#643E60 #4D643E #3E6455

monochromatic

#180F17 #3E273C #643E60 #8A5584 #A974A3

Accessibility & contrast

On white

8.75

#643E60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#643E60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E60

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E60	#FFFFFF	#000000	##FFFFFF
##643E60	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4861

Deuteranopia (green-blind)

#464D5F

Tritanopia (blue-blind)

#67414B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643e60;
/* rgb */ color: rgb(100, 62, 96);
/* oklch */ color: oklch(42.1% 0.073 330.6);

Tailwind

colors: {
  custom: {
    50: '#91748d',
    500: '#643e60',
    950: '#000000',
  },
}

SCSS

$custom: #643e60;
$custom-light: #91748d;
$custom-dark: #000000;

JSON

{
  "hex": "#643e60",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 96
  },
  "hsl": {
    "h": 306.316,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.42113,
    "c": 0.07314,
    "h": 330.6
  },
  "luminance": 0.06999
}

Semantic roles & 50–950 ramp

primary

#643E60

secondary

#6A946E

accent

#C07168

background

#F8F7F8

surface

#F0EDF0

border

#CBC8CB

text

#0D080C

muted

#7D7B7D

Preview Lab

Preview with #643E60

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

Preview Lab → · Contrast checker → · Palette generator →