#644C5A#644C5A

#644C5A is a dark, muted pink. Relative luminance 0.086; OKLCH L 44.7% C 0.039 H 342.9°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#644C5A
RGB	rgb(100, 76, 90)
HSL	hsl(325, 14%, 35%)
HSV	hsv(325, 24%, 39%)
CMYK	cmyk(0%, 24%, 10%, 60.8%)
CIE-LAB	lab(35.24, 12.70, -4.31)
CIE-LCH	lch(35.24, 13.41, 341.25°)
OKLab	oklab(44.66% 0.0369 -0.0113)
OKLCH	oklch(44.66% 0.039 342.9)
XYZ	xyz(9.6853, 8.6167, 10.8239)
Luminance	0.0862 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C5A #4C6456

analogous

#624C64 #644C5A #644C4E

triadic

#644C5A #5A644C #4C5A64

tetradic

#644C5A #64624C #4C6456 #4C4E64

square

#644C5A #64624C #4C6456 #4C4E64

split-complementary

#644C5A #4E644C #4C6462

monochromatic

#1E171B #41323B #644C5A #876679 #A48798

Accessibility & contrast

On white

7.71

#644C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#644C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C5A

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C5A	#FFFFFF	#000000	##FFFFFF
##644C5A	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D515B

Deuteranopia (green-blind)

#535459

Tritanopia (blue-blind)

#674C51

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #644c5a;
/* rgb */ color: rgb(100, 76, 90);
/* oklch */ color: oklch(44.7% 0.039 342.9);

Tailwind

colors: {
  custom: {
    50: '#907e88',
    500: '#644c5a',
    950: '#000000',
  },
}

SCSS

$custom: #644c5a;
$custom-light: #907e88;
$custom-dark: #000000;

JSON

{
  "hex": "#644c5a",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 90
  },
  "hsl": {
    "h": 325,
    "s": 13.636,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44658,
    "c": 0.03861,
    "h": 342.9
  },
  "luminance": 0.08616
}

Semantic roles & 50–950 ramp

primary

#644C5A

secondary

#7A9184

accent

#B68E71

background

#F8F7F8

surface

#F0EEEF

border

#CBC9CA

text

#0C0A0B

muted

#7D7C7C

Preview Lab

Preview with #644C5A

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

Preview Lab → · Contrast checker → · Palette generator →