#643D56#643D56

#643D56 is a dark, moderate pink. Relative luminance 0.067; OKLCH L 41.5% C 0.066 H 341.5°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#643D56
RGB	rgb(100, 61, 86)
HSL	hsl(322, 24%, 32%)
HSV	hsv(322, 39%, 39%)
CMYK	cmyk(0%, 39%, 14%, 60.8%)
CIE-LAB	lab(31.16, 21.23, -7.85)
CIE-LCH	lch(31.16, 22.64, 339.71°)
OKLab	oklab(41.49% 0.0622 -0.0208)
OKLCH	oklch(41.49% 0.066 341.5)
XYZ	xyz(8.6040, 6.7192, 9.6460)
Luminance	0.0672 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D56 #3D644B

analogous

#5F3D64 #643D56 #643D43

triadic

#643D56 #56643D #3D5664

tetradic

#643D56 #645F3D #3D644B #3D4364

square

#643D56 #645F3D #3D644B #3D4364

split-complementary

#643D56 #43643D #3D645F

monochromatic

#180F15 #3E2635 #643D56 #8A5477 #A97295

Accessibility & contrast

On white

8.96

#643D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#643D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D56

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D56	#FFFFFF	#000000	##FFFFFF
##643D56	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4657

Deuteranopia (green-blind)

#494C55

Tritanopia (blue-blind)

#683D46

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643d56;
/* rgb */ color: rgb(100, 61, 86);
/* oklch */ color: oklch(41.5% 0.066 341.5);

Tailwind

colors: {
  custom: {
    50: '#917385',
    500: '#643d56',
    950: '#000000',
  },
}

SCSS

$custom: #643d56;
$custom-light: #917385;
$custom-dark: #000000;

JSON

{
  "hex": "#643d56",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 86
  },
  "hsl": {
    "h": 321.538,
    "s": 24.224,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41492,
    "c": 0.06555,
    "h": 341.5
  },
  "luminance": 0.06719
}

Semantic roles & 50–950 ramp

primary

#643D56

secondary

#699478

accent

#C18767

background

#F9F7F8

surface

#F1EDEF

border

#CBC8CA

text

#0D080B

muted

#7E7B7C

Preview Lab

Preview with #643D56

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

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