#643B4F#643B4F

#643B4F is a dark, moderate pink. Relative luminance 0.064; OKLCH L 40.8% C 0.064 H 349.6°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#643B4F
RGB	rgb(100, 59, 79)
HSL	hsl(331, 26%, 31%)
HSV	hsv(331, 41%, 39%)
CMYK	cmyk(0%, 41%, 21%, 60.8%)
CIE-LAB	lab(30.41, 21.19, -4.44)
CIE-LCH	lch(30.41, 21.65, 348.16°)
OKLab	oklab(40.84% 0.0632 -0.0115)
OKLCH	oklch(40.84% 0.064 349.6)
XYZ	xyz(8.2309, 6.4023, 8.1979)
Luminance	0.0640 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B4F #3B6450

analogous

#643B63 #643B4F #643B3B

triadic

#643B4F #4F643B #3B4F64

tetradic

#643B4F #63643B #3B6450 #3B3B64

square

#643B4F #63643B #3B6450 #3B3B64

split-complementary

#643B4F #3B643B #3B6364

monochromatic

#170E12 #3E2431 #643B4F #8A526D #AA6F8C

Accessibility & contrast

On white

9.21

#643B4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#643B4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B4F

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B4F	#FFFFFF	#000000	##FFFFFF
##643B4F	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4350

Deuteranopia (green-blind)

#494A4E

Tritanopia (blue-blind)

#693A42

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643b4f;
/* rgb */ color: rgb(100, 59, 79);
/* oklch */ color: oklch(40.8% 0.064 349.6);

Tailwind

colors: {
  custom: {
    50: '#917280',
    500: '#643b4f',
    950: '#000000',
  },
}

SCSS

$custom: #643b4f;
$custom-light: #917280;
$custom-dark: #000000;

JSON

{
  "hex": "#643b4f",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 79
  },
  "hsl": {
    "h": 330.732,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40836,
    "c": 0.06423,
    "h": 349.6
  },
  "luminance": 0.06402
}

Semantic roles & 50–950 ramp

primary

#643B4F

secondary

#67947E

accent

#C29566

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643B4F

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

Preview Lab → · Contrast checker → · Palette generator →