#643B59#643B59

#643B59 is a dark, moderate pink. Relative luminance 0.066; OKLCH L 41.2% C 0.072 H 337.4°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#643B59
RGB	rgb(100, 59, 89)
HSL	hsl(316, 26%, 31%)
HSV	hsv(316, 41%, 39%)
CMYK	cmyk(0%, 41%, 11%, 60.8%)
CIE-LAB	lab(30.78, 23.02, -10.36)
CIE-LCH	lch(30.78, 25.25, 335.78°)
OKLab	oklab(41.24% 0.0667 -0.0277)
OKLCH	oklch(41.24% 0.072 337.4)
XYZ	xyz(8.6227, 6.5590, 10.2611)
Luminance	0.0656 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B59 #3B6446

analogous

#5A3B64 #643B59 #643B44

triadic

#643B59 #59643B #3B5964

tetradic

#643B59 #645A3B #3B6446 #3B4464

square

#643B59 #645A3B #3B6446 #3B4464

split-complementary

#643B59 #44643B #3B645A

monochromatic

#170E14 #3E2437 #643B59 #8A527B #AA6F9A

Accessibility & contrast

On white

9.08

#643B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#643B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B59

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B59	#FFFFFF	#000000	##FFFFFF
##643B59	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C455A

Deuteranopia (green-blind)

#464B58

Tritanopia (blue-blind)

#683C46

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643b59;
/* rgb */ color: rgb(100, 59, 89);
/* oklch */ color: oklch(41.2% 0.072 337.4);

Tailwind

colors: {
  custom: {
    50: '#917288',
    500: '#643b59',
    950: '#000000',
  },
}

SCSS

$custom: #643b59;
$custom-light: #917288;
$custom-dark: #000000;

JSON

{
  "hex": "#643b59",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 89
  },
  "hsl": {
    "h": 316.098,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41244,
    "c": 0.07225,
    "h": 337.4
  },
  "luminance": 0.06559
}

Semantic roles & 50–950 ramp

primary

#643B59

secondary

#679473

accent

#C27E66

background

#F9F6F8

surface

#F1ECEF

border

#CBC7CA

text

#0D080B

muted

#7E7B7C

Preview Lab

Preview with #643B59

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

Preview Lab → · Contrast checker → · Palette generator →