#643B46#643B46

#643B46 is a dark, muted pink. Relative luminance 0.063; OKLCH L 40.5% C 0.060 H 2.7°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#643B46
RGB	rgb(100, 59, 70)
HSL	hsl(344, 26%, 31%)
HSV	hsv(344, 41%, 39%)
CMYK	cmyk(0%, 41%, 30%, 60.8%)
CIE-LAB	lab(30.11, 19.70, 0.98)
CIE-LCH	lch(30.11, 19.72, 2.85°)
OKLab	oklab(40.51% 0.0596 0.0028)
OKLCH	oklch(40.51% 0.06 2.7)
XYZ	xyz(7.9252, 6.2800, 6.5879)
Luminance	0.0628 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B46 #3B6459

analogous

#643B5A #643B46 #64443B

triadic

#643B46 #46643B #3B4664

tetradic

#643B46 #5A643B #3B6459 #443B64

square

#643B46 #5A643B #3B6459 #443B64

split-complementary

#643B46 #3B6444 #3B5A64

monochromatic

#170E10 #3E242B #643B46 #8A5261 #AA6F7F

Accessibility & contrast

On white

9.31

#643B46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643B46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B46

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B46	#FFFFFF	#000000	##FFFFFF
##643B46	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414246

Deuteranopia (green-blind)

#4B4A45

Tritanopia (blue-blind)

#6B383F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643b46;
/* rgb */ color: rgb(100, 59, 70);
/* oklch */ color: oklch(40.5% 0.060 2.7);

Tailwind

colors: {
  custom: {
    50: '#917179',
    500: '#643b46',
    950: '#000000',
  },
}

SCSS

$custom: #643b46;
$custom-light: #917179;
$custom-dark: #000000;

JSON

{
  "hex": "#643b46",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 70
  },
  "hsl": {
    "h": 343.902,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40512,
    "c": 0.05964,
    "h": 2.7
  },
  "luminance": 0.06279
}

Semantic roles & 50–950 ramp

primary

#643B46

secondary

#679488

accent

#C2A966

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #643B46

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

Preview Lab → · Contrast checker → · Palette generator →