#643A50#643A50

#643A50 is a dark, moderate pink. Relative luminance 0.063; OKLCH L 40.7% C 0.067 H 347.8°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#643A50
RGB	rgb(100, 58, 80)
HSL	hsl(329, 27%, 31%)
HSV	hsv(329, 42%, 39%)
CMYK	cmyk(0%, 42%, 20%, 60.8%)
CIE-LAB	lab(30.19, 21.97, -5.41)
CIE-LCH	lch(30.19, 22.63, 346.17°)
OKLab	oklab(40.69% 0.0654 -0.0141)
OKLCH	oklch(40.69% 0.067 347.8)
XYZ	xyz(8.2167, 6.3152, 8.3740)
Luminance	0.0631 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A50 #3A644E

analogous

#633A64 #643A50 #643A3B

triadic

#643A50 #50643A #3A5064

tetradic

#643A50 #64633A #3A644E #3A3B64

square

#643A50 #64633A #3A644E #3A3B64

split-complementary

#643A50 #3B643A #3A6463

monochromatic

#170D12 #3D2431 #643A50 #8B506F #AB6E8E

Accessibility & contrast

On white

9.28

#643A50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643A50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A50

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A50	#FFFFFF	#000000	##FFFFFF
##643A50	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4351

Deuteranopia (green-blind)

#484A4F

Tritanopia (blue-blind)

#693942

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643a50;
/* rgb */ color: rgb(100, 58, 80);
/* oklch */ color: oklch(40.7% 0.067 347.8);

Tailwind

colors: {
  custom: {
    50: '#917181',
    500: '#643a50',
    950: '#000000',
  },
}

SCSS

$custom: #643a50;
$custom-light: #917181;
$custom-dark: #000000;

JSON

{
  "hex": "#643a50",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 80
  },
  "hsl": {
    "h": 328.571,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40687,
    "c": 0.06686,
    "h": 347.8
  },
  "luminance": 0.06315
}

Semantic roles & 50–950 ramp

primary

#643A50

secondary

#66947C

accent

#C39265

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D070A

muted

#7E7A7C

Preview Lab

Preview with #643A50

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

Preview Lab → · Contrast checker → · Palette generator →