#643D47#643D47

#643D47 is a dark, muted pink. Relative luminance 0.065; OKLCH L 40.9% C 0.056 H 3.2°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#643D47
RGB	rgb(100, 61, 71)
HSL	hsl(345, 24%, 32%)
HSV	hsv(345, 39%, 39%)
CMYK	cmyk(0%, 39%, 29%, 60.8%)
CIE-LAB	lab(30.65, 18.63, 1.11)
CIE-LCH	lch(30.65, 18.66, 3.41°)
OKLab	oklab(40.93% 0.0563 0.0032)
OKLCH	oklch(40.93% 0.056 3.2)
XYZ	xyz(8.0618, 6.5023, 6.7905)
Luminance	0.0650 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D47 #3D645A

analogous

#643D5B #643D47 #64473D

triadic

#643D47 #47643D #3D4764

tetradic

#643D47 #5B643D #3D645A #473D64

square

#643D47 #5B643D #3D645A #473D64

split-complementary

#643D47 #3D6447 #3D5B64

monochromatic

#180F11 #3E262C #643D47 #8A5462 #A97280

Accessibility & contrast

On white

9.13

#643D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#643D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D47

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D47	#FFFFFF	#000000	##FFFFFF
##643D47	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434447

Deuteranopia (green-blind)

#4C4B46

Tritanopia (blue-blind)

#6A3A40

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643d47;
/* rgb */ color: rgb(100, 61, 71);
/* oklch */ color: oklch(40.9% 0.056 3.2);

Tailwind

colors: {
  custom: {
    50: '#91737a',
    500: '#643d47',
    950: '#000000',
  },
}

SCSS

$custom: #643d47;
$custom-light: #91737a;
$custom-dark: #000000;

JSON

{
  "hex": "#643d47",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 71
  },
  "hsl": {
    "h": 344.615,
    "s": 24.224,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40932,
    "c": 0.0564,
    "h": 3.2
  },
  "luminance": 0.06502
}

Semantic roles & 50–950 ramp

primary

#643D47

secondary

#699489

accent

#C1AA67

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #643D47

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

Preview Lab → · Contrast checker → · Palette generator →