#643D60#643D60

#643D60 is a dark, moderate purple. Relative luminance 0.069; OKLCH L 41.9% C 0.075 H 330.5°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#643D60
RGB	rgb(100, 61, 96)
HSL	hsl(306, 24%, 32%)
HSV	hsv(306, 39%, 39%)
CMYK	cmyk(0%, 39%, 4%, 60.8%)
CIE-LAB	lab(31.56, 23.20, -13.67)
CIE-LCH	lch(31.56, 26.93, 329.49°)
OKLab	oklab(41.93% 0.0654 -0.037)
OKLCH	oklch(41.93% 0.075 330.5)
XYZ	xyz(9.0355, 6.8918, 11.9184)
Luminance	0.0689 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D60 #3D6441

analogous

#553D64 #643D60 #643D4D

triadic

#643D60 #60643D #3D6064

tetradic

#643D60 #64553D #3D6441 #3D4D64

square

#643D60 #64553D #3D6441 #3D4D64

split-complementary

#643D60 #4D643D #3D6455

monochromatic

#180F17 #3E263C #643D60 #8A5484 #A972A4

Accessibility & contrast

On white

8.83

#643D60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#643D60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D60

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D60	#FFFFFF	#000000	##FFFFFF
##643D60	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4761

Deuteranopia (green-blind)

#454C5F

Tritanopia (blue-blind)

#67404A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643d60;
/* rgb */ color: rgb(100, 61, 96);
/* oklch */ color: oklch(41.9% 0.075 330.5);

Tailwind

colors: {
  custom: {
    50: '#91738d',
    500: '#643d60',
    950: '#000000',
  },
}

SCSS

$custom: #643d60;
$custom-light: #91738d;
$custom-dark: #000000;

JSON

{
  "hex": "#643d60",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 96
  },
  "hsl": {
    "h": 306.154,
    "s": 24.224,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41927,
    "c": 0.07515,
    "h": 330.5
  },
  "luminance": 0.06891
}

Semantic roles & 50–950 ramp

primary

#643D60

secondary

#69946D

accent

#C17067

background

#F8F7F8

surface

#F0EDF0

border

#CBC8CB

text

#0D080C

muted

#7D7B7D

Preview Lab

Preview with #643D60

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

Preview Lab → · Contrast checker → · Palette generator →