#643A45#643A45

#643A45 is a dark, moderate pink. Relative luminance 0.062; OKLCH L 40.3% C 0.061 H 3.3°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#643A45
RGB	rgb(100, 58, 69)
HSL	hsl(344, 27%, 31%)
HSV	hsv(344, 42%, 39%)
CMYK	cmyk(0%, 42%, 31%, 60.8%)
CIE-LAB	lab(29.83, 20.15, 1.22)
CIE-LCH	lch(29.83, 20.19, 3.48°)
OKLab	oklab(40.29% 0.061 0.0035)
OKLCH	oklch(40.29% 0.061 3.3)
XYZ	xyz(7.8430, 6.1657, 6.4061)
Luminance	0.0617 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A45 #3A6459

analogous

#643A5A #643A45 #64443A

triadic

#643A45 #45643A #3A4564

tetradic

#643A45 #5A643A #3A6459 #443A64

square

#643A45 #5A643A #3A6459 #443A64

split-complementary

#643A45 #3A6444 #3A5A64

monochromatic

#170D10 #3D242A #643A45 #8B5060 #AB6E7E

Accessibility & contrast

On white

9.40

#643A45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#643A45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A45

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A45	#FFFFFF	#000000	##FFFFFF
##643A45	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404245

Deuteranopia (green-blind)

#4B4944

Tritanopia (blue-blind)

#6B373E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643a45;
/* rgb */ color: rgb(100, 58, 69);
/* oklch */ color: oklch(40.3% 0.061 3.3);

Tailwind

colors: {
  custom: {
    50: '#917178',
    500: '#643a45',
    950: '#000000',
  },
}

SCSS

$custom: #643a45;
$custom-light: #917178;
$custom-dark: #000000;

JSON

{
  "hex": "#643a45",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 69
  },
  "hsl": {
    "h": 344.286,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40287,
    "c": 0.06109,
    "h": 3.3
  },
  "luminance": 0.06165
}

Semantic roles & 50–950 ramp

primary

#643A45

secondary

#669488

accent

#C3AA65

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0709

muted

#7E7A7B

Preview Lab

Preview with #643A45

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

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