#643651#643651

#643651 is a dark, moderate pink. Relative luminance 0.059; OKLCH L 40.0% C 0.075 H 344.9°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#643651
RGB	rgb(100, 54, 81)
HSL	hsl(325, 30%, 30%)
HSV	hsv(325, 46%, 39%)
CMYK	cmyk(0%, 46%, 19%, 60.8%)
CIE-LAB	lab(29.27, 24.56, -7.45)
CIE-LCH	lch(29.27, 25.66, 343.12°)
OKLab	oklab(40% 0.0728 -0.0197)
OKLCH	oklch(40% 0.075 344.9)
XYZ	xyz(8.0600, 5.9423, 8.5054)
Luminance	0.0594 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643651 #366449

analogous

#603664 #643651 #64363A

triadic

#643651 #516436 #365164

tetradic

#643651 #646036 #366449 #363A64

square

#643651 #646036 #366449 #363A64

split-complementary

#643651 #3A6436 #366460

monochromatic

#150B11 #3C2131 #643651 #8C4B71 #AD6790

Accessibility & contrast

On white

9.60

#643651 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#643651 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643651

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643651	#FFFFFF	#000000	##FFFFFF
##643651	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394052

Deuteranopia (green-blind)

#454850

Tritanopia (blue-blind)

#693640

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643651;
/* rgb */ color: rgb(100, 54, 81);
/* oklch */ color: oklch(40.0% 0.075 344.9);

Tailwind

colors: {
  custom: {
    50: '#916e81',
    500: '#643651',
    950: '#000000',
  },
}

SCSS

$custom: #643651;
$custom-light: #916e81;
$custom-dark: #000000;

JSON

{
  "hex": "#643651",
  "rgb": {
    "r": 100,
    "g": 54,
    "b": 81
  },
  "hsl": {
    "h": 324.783,
    "s": 29.87,
    "l": 30.196
  },
  "oklch": {
    "l": 0.39998,
    "c": 0.07544,
    "h": 344.9
  },
  "luminance": 0.05942
}

Semantic roles & 50–950 ramp

primary

#643651

secondary

#619576

accent

#C68B62

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D070A

muted

#7E7A7C

Preview Lab

Preview with #643651

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

Preview Lab → · Contrast checker → · Palette generator →