#643A49#643A49

#643A49 is a dark, moderate pink. Relative luminance 0.062; OKLCH L 40.4% C 0.063 H 357.4°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#643A49
RGB	rgb(100, 58, 73)
HSL	hsl(339, 27%, 31%)
HSV	hsv(339, 42%, 39%)
CMYK	cmyk(0%, 42%, 27%, 60.8%)
CIE-LAB	lab(29.95, 20.79, -1.20)
CIE-LCH	lch(29.95, 20.82, 356.69°)
OKLab	oklab(40.42% 0.0626 -0.0029)
OKLCH	oklch(40.42% 0.063 357.4)
XYZ	xyz(7.9714, 6.2170, 7.0822)
Luminance	0.0622 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A49 #3A6455

analogous

#643A5E #643A49 #64403A

triadic

#643A49 #49643A #3A4964

tetradic

#643A49 #5E643A #3A6455 #403A64

square

#643A49 #5E643A #3A6455 #403A64

split-complementary

#643A49 #3A6440 #3A5E64

monochromatic

#170D10 #3D242D #643A49 #8B5065 #AB6E83

Accessibility & contrast

On white

9.36

#643A49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643A49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A49

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A49	#FFFFFF	#000000	##FFFFFF
##643A49	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F424A

Deuteranopia (green-blind)

#4A4948

Tritanopia (blue-blind)

#6A383F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643a49;
/* rgb */ color: rgb(100, 58, 73);
/* oklch */ color: oklch(40.4% 0.063 357.4);

Tailwind

colors: {
  custom: {
    50: '#91717b',
    500: '#643a49',
    950: '#000000',
  },
}

SCSS

$custom: #643a49;
$custom-light: #91717b;
$custom-dark: #000000;

JSON

{
  "hex": "#643a49",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 73
  },
  "hsl": {
    "h": 338.571,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40425,
    "c": 0.06271,
    "h": 357.4
  },
  "luminance": 0.06216
}

Semantic roles & 50–950 ramp

primary

#643A49

secondary

#669484

accent

#C3A165

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0709

muted

#7E7A7B

Preview Lab

Preview with #643A49

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

Preview Lab → · Contrast checker → · Palette generator →