#643E4F#643E4F

#643E4F is a dark, muted pink. Relative luminance 0.067; OKLCH L 41.4% C 0.058 H 351.6°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#643E4F
RGB	rgb(100, 62, 79)
HSL	hsl(333, 23%, 32%)
HSV	hsv(333, 38%, 39%)
CMYK	cmyk(0%, 38%, 21%, 60.8%)
CIE-LAB	lab(31.16, 19.35, -3.32)
CIE-LCH	lch(31.16, 19.63, 350.25°)
OKLab	oklab(41.41% 0.0577 -0.0086)
OKLCH	oklch(41.41% 0.058 351.6)
XYZ	xyz(8.3896, 6.7196, 8.2507)
Luminance	0.0672 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E4F #3E6453

analogous

#643E62 #643E4F #64403E

triadic

#643E4F #4F643E #3E4F64

tetradic

#643E4F #62643E #3E6453 #403E64

square

#643E4F #62643E #3E6453 #403E64

split-complementary

#643E4F #3E6440 #3E6264

monochromatic

#180F13 #3E2731 #643E4F #8A556D #A9748B

Accessibility & contrast

On white

8.96

#643E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#643E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E4F

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E4F	#FFFFFF	#000000	##FFFFFF
##643E4F	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424550

Deuteranopia (green-blind)

#4B4C4E

Tritanopia (blue-blind)

#693D44

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643e4f;
/* rgb */ color: rgb(100, 62, 79);
/* oklch */ color: oklch(41.4% 0.058 351.6);

Tailwind

colors: {
  custom: {
    50: '#917480',
    500: '#643e4f',
    950: '#000000',
  },
}

SCSS

$custom: #643e4f;
$custom-light: #917480;
$custom-dark: #000000;

JSON

{
  "hex": "#643e4f",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 79
  },
  "hsl": {
    "h": 333.158,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4141,
    "c": 0.05837,
    "h": 351.6
  },
  "luminance": 0.06719
}

Semantic roles & 50–950 ramp

primary

#643E4F

secondary

#6A9481

accent

#C09968

background

#F9F7F7

surface

#F1EDEE

border

#CBC8C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643E4F

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

Preview Lab → · Contrast checker → · Palette generator →