#643B48#643B48

#643B48 is a dark, moderate pink. Relative luminance 0.063; OKLCH L 40.6% C 0.060 H 359.7°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#643B48
RGB	rgb(100, 59, 72)
HSL	hsl(341, 26%, 31%)
HSV	hsv(341, 41%, 39%)
CMYK	cmyk(0%, 41%, 28%, 60.8%)
CIE-LAB	lab(30.17, 20.01, -0.23)
CIE-LCH	lch(30.17, 20.01, 359.34°)
OKLab	oklab(40.58% 0.0604 -0.0003)
OKLCH	oklch(40.58% 0.06 359.7)
XYZ	xyz(7.9894, 6.3057, 6.9260)
Luminance	0.0630 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B48 #3B6457

analogous

#643B5C #643B48 #64423B

triadic

#643B48 #48643B #3B4864

tetradic

#643B48 #5C643B #3B6457 #423B64

square

#643B48 #5C643B #3B6457 #423B64

split-complementary

#643B48 #3B6442 #3B5C64

monochromatic

#170E11 #3E242C #643B48 #8A5264 #AA6F82

Accessibility & contrast

On white

9.29

#643B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B48

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B48	#FFFFFF	#000000	##FFFFFF
##643B48	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414348

Deuteranopia (green-blind)

#4B4A47

Tritanopia (blue-blind)

#6A3940

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643b48;
/* rgb */ color: rgb(100, 59, 72);
/* oklch */ color: oklch(40.6% 0.060 359.7);

Tailwind

colors: {
  custom: {
    50: '#91717a',
    500: '#643b48',
    950: '#000000',
  },
}

SCSS

$custom: #643b48;
$custom-light: #91717a;
$custom-dark: #000000;

JSON

{
  "hex": "#643b48",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 72
  },
  "hsl": {
    "h": 340.976,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.4058,
    "c": 0.0604,
    "h": 359.7
  },
  "luminance": 0.06305
}

Semantic roles & 50–950 ramp

primary

#643B48

secondary

#679486

accent

#C2A566

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #643B48

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

Preview Lab → · Contrast checker → · Palette generator →