#643D49#643D49

#643D49 is a dark, muted pink. Relative luminance 0.065; OKLCH L 41.0% C 0.057 H 0.0°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#643D49
RGB	rgb(100, 61, 73)
HSL	hsl(342, 24%, 32%)
HSV	hsv(342, 39%, 39%)
CMYK	cmyk(0%, 39%, 27%, 60.8%)
CIE-LAB	lab(30.71, 18.95, -0.10)
CIE-LCH	lch(30.71, 18.95, 359.71°)
OKLab	oklab(41% 0.0572 0)
OKLCH	oklch(41% 0.057 0)
XYZ	xyz(8.1271, 6.5284, 7.1341)
Luminance	0.0653 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D49 #3D6458

analogous

#643D5D #643D49 #64453D

triadic

#643D49 #49643D #3D4964

tetradic

#643D49 #5D643D #3D6458 #453D64

square

#643D49 #5D643D #3D6458 #453D64

split-complementary

#643D49 #3D6445 #3D5D64

monochromatic

#180F12 #3E262D #643D49 #8A5465 #A97283

Accessibility & contrast

On white

9.11

#643D49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#643D49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D49

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D49	#FFFFFF	#000000	##FFFFFF
##643D49	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424449

Deuteranopia (green-blind)

#4C4B48

Tritanopia (blue-blind)

#6A3B41

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643d49;
/* rgb */ color: rgb(100, 61, 73);
/* oklch */ color: oklch(41.0% 0.057 0.0);

Tailwind

colors: {
  custom: {
    50: '#91737b',
    500: '#643d49',
    950: '#000000',
  },
}

SCSS

$custom: #643d49;
$custom-light: #91737b;
$custom-dark: #000000;

JSON

{
  "hex": "#643d49",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 73
  },
  "hsl": {
    "h": 341.538,
    "s": 24.224,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41,
    "c": 0.05715,
    "h": 0
  },
  "luminance": 0.06528
}

Semantic roles & 50–950 ramp

primary

#643D49

secondary

#699487

accent

#C1A567

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #643D49

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

Preview Lab → · Contrast checker → · Palette generator →