#643B4E#643B4E

#643B4E is a dark, moderate pink. Relative luminance 0.064; OKLCH L 40.8% C 0.064 H 351.0°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#643B4E
RGB	rgb(100, 59, 78)
HSL	hsl(332, 26%, 31%)
HSV	hsv(332, 41%, 39%)
CMYK	cmyk(0%, 41%, 22%, 60.8%)
CIE-LAB	lab(30.37, 21.01, -3.84)
CIE-LCH	lch(30.37, 21.36, 349.63°)
OKLab	oklab(40.8% 0.0628 -0.0099)
OKLCH	oklch(40.8% 0.064 351)
XYZ	xyz(8.1948, 6.3878, 8.0076)
Luminance	0.0639 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B4E #3B6451

analogous

#643B62 #643B4E #643C3B

triadic

#643B4E #4E643B #3B4E64

tetradic

#643B4E #62643B #3B6451 #3C3B64

square

#643B4E #62643B #3B6451 #3C3B64

split-complementary

#643B4E #3B643C #3B6264

monochromatic

#170E12 #3E2430 #643B4E #8A526C #AA6F8B

Accessibility & contrast

On white

9.22

#643B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#643B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B4E

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B4E	#FFFFFF	#000000	##FFFFFF
##643B4E	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F434F

Deuteranopia (green-blind)

#494A4D

Tritanopia (blue-blind)

#6A3A42

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643b4e;
/* rgb */ color: rgb(100, 59, 78);
/* oklch */ color: oklch(40.8% 0.064 351.0);

Tailwind

colors: {
  custom: {
    50: '#91727f',
    500: '#643b4e',
    950: '#000000',
  },
}

SCSS

$custom: #643b4e;
$custom-light: #91727f;
$custom-dark: #000000;

JSON

{
  "hex": "#643b4e",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 332.195,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40798,
    "c": 0.06357,
    "h": 351
  },
  "luminance": 0.06387
}

Semantic roles & 50–950 ramp

primary

#643B4E

secondary

#67947F

accent

#C29766

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643B4E

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

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