#643D50#643D50

#643D50 is a dark, moderate pink. Relative luminance 0.066; OKLCH L 41.3% C 0.061 H 349.5°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#643D50
RGB	rgb(100, 61, 80)
HSL	hsl(331, 24%, 32%)
HSV	hsv(331, 39%, 39%)
CMYK	cmyk(0%, 39%, 20%, 60.8%)
CIE-LAB	lab(30.94, 20.14, -4.30)
CIE-LCH	lch(30.94, 20.59, 347.96°)
OKLab	oklab(41.26% 0.0599 -0.0112)
OKLCH	oklch(41.26% 0.061 349.5)
XYZ	xyz(8.3723, 6.6265, 8.4259)
Luminance	0.0663 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D50 #3D6451

analogous

#643D64 #643D50 #643E3D

triadic

#643D50 #50643D #3D5064

tetradic

#643D50 #64643D #3D6451 #3E3D64

square

#643D50 #64643D #3D6451 #3E3D64

split-complementary

#643D50 #3D643E #3D6464

monochromatic

#180F13 #3E2632 #643D50 #8A546E #A9728D

Accessibility & contrast

On white

9.03

#643D50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#643D50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D50

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D50	#FFFFFF	#000000	##FFFFFF
##643D50	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414551

Deuteranopia (green-blind)

#4A4B4F

Tritanopia (blue-blind)

#693C44

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643d50;
/* rgb */ color: rgb(100, 61, 80);
/* oklch */ color: oklch(41.3% 0.061 349.5);

Tailwind

colors: {
  custom: {
    50: '#917381',
    500: '#643d50',
    950: '#000000',
  },
}

SCSS

$custom: #643d50;
$custom-light: #917381;
$custom-dark: #000000;

JSON

{
  "hex": "#643d50",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 80
  },
  "hsl": {
    "h": 330.769,
    "s": 24.224,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41255,
    "c": 0.06097,
    "h": 349.5
  },
  "luminance": 0.06626
}

Semantic roles & 50–950 ramp

primary

#643D50

secondary

#69947F

accent

#C19567

background

#F9F7F7

surface

#F1EDEE

border

#CBC8C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643D50

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

Preview Lab → · Contrast checker → · Palette generator →