#643B53#643B53

#643B53 is a dark, moderate pink. Relative luminance 0.065; OKLCH L 41.0% C 0.067 H 344.4°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#643B53
RGB	rgb(100, 59, 83)
HSL	hsl(325, 26%, 31%)
HSV	hsv(325, 41%, 39%)
CMYK	cmyk(0%, 41%, 17%, 60.8%)
CIE-LAB	lab(30.55, 21.90, -6.82)
CIE-LCH	lch(30.55, 22.94, 342.69°)
OKLab	oklab(40.99% 0.0647 -0.018)
OKLCH	oklch(40.99% 0.067 344.4)
XYZ	xyz(8.3809, 6.4623, 8.9878)
Luminance	0.0646 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B53 #3B644C

analogous

#603B64 #643B53 #643B3E

triadic

#643B53 #53643B #3B5364

tetradic

#643B53 #64603B #3B644C #3B3E64

square

#643B53 #64603B #3B644C #3B3E64

split-complementary

#643B53 #3E643B #3B6460

monochromatic

#170E13 #3E2433 #643B53 #8A5273 #AA6F92

Accessibility & contrast

On white

9.16

#643B53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#643B53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B53

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B53	#FFFFFF	#000000	##FFFFFF
##643B53	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4454

Deuteranopia (green-blind)

#484A52

Tritanopia (blue-blind)

#693B44

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643b53;
/* rgb */ color: rgb(100, 59, 83);
/* oklch */ color: oklch(41.0% 0.067 344.4);

Tailwind

colors: {
  custom: {
    50: '#917283',
    500: '#643b53',
    950: '#000000',
  },
}

SCSS

$custom: #643b53;
$custom-light: #917283;
$custom-dark: #000000;

JSON

{
  "hex": "#643b53",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 83
  },
  "hsl": {
    "h": 324.878,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40993,
    "c": 0.06712,
    "h": 344.4
  },
  "luminance": 0.06462
}

Semantic roles & 50–950 ramp

primary

#643B53

secondary

#67947A

accent

#C28C66

background

#F9F6F8

surface

#F1ECEF

border

#CBC7CA

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643B53

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

Preview Lab → · Contrast checker → · Palette generator →