#643B5D#643B5D

#643B5D is a dark, moderate pink. Relative luminance 0.066; OKLCH L 41.4% C 0.076 H 333.3°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#643B5D
RGB	rgb(100, 59, 93)
HSL	hsl(310, 26%, 31%)
HSV	hsv(310, 41%, 39%)
CMYK	cmyk(0%, 41%, 7%, 60.8%)
CIE-LAB	lab(30.94, 23.81, -12.69)
CIE-LCH	lch(30.94, 26.98, 331.95°)
OKLab	oklab(41.42% 0.068 -0.0342)
OKLCH	oklch(41.42% 0.076 333.3)
XYZ	xyz(8.7952, 6.6280, 11.1699)
Luminance	0.0663 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B5D #3B6442

analogous

#563B64 #643B5D #643B48

triadic

#643B5D #5D643B #3B5D64

tetradic

#643B5D #64563B #3B6442 #3B4864

square

#643B5D #64563B #3B6442 #3B4864

split-complementary

#643B5D #48643B #3B6456

monochromatic

#170E15 #3E2439 #643B5D #8A5281 #AA6FA0

Accessibility & contrast

On white

9.03

#643B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#643B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B5D

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B5D	#FFFFFF	#000000	##FFFFFF
##643B5D	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A455E

Deuteranopia (green-blind)

#454B5C

Tritanopia (blue-blind)

#683D48

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643b5d;
/* rgb */ color: rgb(100, 59, 93);
/* oklch */ color: oklch(41.4% 0.076 333.3);

Tailwind

colors: {
  custom: {
    50: '#91728b',
    500: '#643b5d',
    950: '#000000',
  },
}

SCSS

$custom: #643b5d;
$custom-light: #91728b;
$custom-dark: #000000;

JSON

{
  "hex": "#643b5d",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 93
  },
  "hsl": {
    "h": 310.244,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41422,
    "c": 0.0761,
    "h": 333.3
  },
  "luminance": 0.06628
}

Semantic roles & 50–950 ramp

primary

#643B5D

secondary

#67946E

accent

#C27566

background

#F9F6F8

surface

#F1ECF0

border

#CBC7CB

text

#0D080C

muted

#7E7B7D

Preview Lab

Preview with #643B5D

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

Preview Lab → · Contrast checker → · Palette generator →