#643A4F#643A4F

#643A4F is a dark, moderate pink. Relative luminance 0.063; OKLCH L 40.6% C 0.066 H 349.1°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#643A4F
RGB	rgb(100, 58, 79)
HSL	hsl(330, 27%, 31%)
HSV	hsv(330, 42%, 39%)
CMYK	cmyk(0%, 42%, 21%, 60.8%)
CIE-LAB	lab(30.16, 21.80, -4.81)
CIE-LCH	lch(30.16, 22.32, 347.55°)
OKLab	oklab(40.65% 0.065 -0.0125)
OKLCH	oklch(40.65% 0.066 349.1)
XYZ	xyz(8.1800, 6.3005, 8.1809)
Luminance	0.0630 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A4F #3A644F

analogous

#643A64 #643A4F #643A3A

triadic

#643A4F #4F643A #3A4F64

tetradic

#643A4F #64643A #3A644F #3A3A64

square

#643A4F #64643A #3A644F #3A3A64

split-complementary

#643A4F #3A643A #3A6464

monochromatic

#170D12 #3D2430 #643A4F #8B506E #AB6E8C

Accessibility & contrast

On white

9.29

#643A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A4F

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A4F	#FFFFFF	#000000	##FFFFFF
##643A4F	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4350

Deuteranopia (green-blind)

#484A4E

Tritanopia (blue-blind)

#6A3941

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643a4f;
/* rgb */ color: rgb(100, 58, 79);
/* oklch */ color: oklch(40.6% 0.066 349.1);

Tailwind

colors: {
  custom: {
    50: '#917180',
    500: '#643a4f',
    950: '#000000',
  },
}

SCSS

$custom: #643a4f;
$custom-light: #917180;
$custom-dark: #000000;

JSON

{
  "hex": "#643a4f",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 79
  },
  "hsl": {
    "h": 330,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40648,
    "c": 0.06618,
    "h": 349.1
  },
  "luminance": 0.063
}

Semantic roles & 50–950 ramp

primary

#643A4F

secondary

#66947D

accent

#C39465

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D070A

muted

#7E7A7C

Preview Lab

Preview with #643A4F

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

Preview Lab → · Contrast checker → · Palette generator →