#643A4E#643A4E

#643A4E is a dark, moderate pink. Relative luminance 0.063; OKLCH L 40.6% C 0.066 H 350.4°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#643A4E
RGB	rgb(100, 58, 78)
HSL	hsl(331, 27%, 31%)
HSV	hsv(331, 42%, 39%)
CMYK	cmyk(0%, 42%, 22%, 60.8%)
CIE-LAB	lab(30.12, 21.62, -4.21)
CIE-LCH	lch(30.12, 22.03, 348.98°)
OKLab	oklab(40.61% 0.0646 -0.0109)
OKLCH	oklch(40.61% 0.066 350.4)
XYZ	xyz(8.1439, 6.2860, 7.9906)
Luminance	0.0629 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A4E #3A6450

analogous

#643A63 #643A4E #643B3A

triadic

#643A4E #4E643A #3A4E64

tetradic

#643A4E #63643A #3A6450 #3B3A64

square

#643A4E #63643A #3A6450 #3B3A64

split-complementary

#643A4E #3A643B #3A6364

monochromatic

#170D12 #3D2430 #643A4E #8B506C #AB6E8B

Accessibility & contrast

On white

9.30

#643A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A4E

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A4E	#FFFFFF	#000000	##FFFFFF
##643A4E	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E434F

Deuteranopia (green-blind)

#494A4D

Tritanopia (blue-blind)

#6A3941

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643a4e;
/* rgb */ color: rgb(100, 58, 78);
/* oklch */ color: oklch(40.6% 0.066 350.4);

Tailwind

colors: {
  custom: {
    50: '#91717f',
    500: '#643a4e',
    950: '#000000',
  },
}

SCSS

$custom: #643a4e;
$custom-light: #91717f;
$custom-dark: #000000;

JSON

{
  "hex": "#643a4e",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 331.429,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4061,
    "c": 0.06551,
    "h": 350.4
  },
  "luminance": 0.06285
}

Semantic roles & 50–950 ramp

primary

#643A4E

secondary

#66947E

accent

#C39665

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D070A

muted

#7E7A7C

Preview Lab

Preview with #643A4E

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

Preview Lab → · Contrast checker → · Palette generator →