#644C58#644C58

#644C58 is a dark, muted pink. Relative luminance 0.086; OKLCH L 44.6% C 0.037 H 347.2°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#644C58
RGB	rgb(100, 76, 88)
HSL	hsl(330, 14%, 35%)
HSV	hsv(330, 24%, 39%)
CMYK	cmyk(0%, 24%, 12%, 60.8%)
CIE-LAB	lab(35.17, 12.31, -3.15)
CIE-LCH	lch(35.17, 12.70, 345.66°)
OKLab	oklab(44.59% 0.0361 -0.0082)
OKLCH	oklch(44.59% 0.037 347.2)
XYZ	xyz(9.6014, 8.5831, 10.3816)
Luminance	0.0858 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C58 #4C6458

analogous

#644C64 #644C58 #644C4C

triadic

#644C58 #58644C #4C5864

tetradic

#644C58 #64644C #4C6458 #4C4C64

square

#644C58 #64644C #4C6458 #4C4C64

split-complementary

#644C58 #4C644C #4C6464

monochromatic

#1E171B #413239 #644C58 #876677 #A48795

Accessibility & contrast

On white

7.73

#644C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#644C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C58

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C58	#FFFFFF	#000000	##FFFFFF
##644C58	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5058

Deuteranopia (green-blind)

#535457

Tritanopia (blue-blind)

#674C50

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #644c58;
/* rgb */ color: rgb(100, 76, 88);
/* oklch */ color: oklch(44.6% 0.037 347.2);

Tailwind

colors: {
  custom: {
    50: '#907e87',
    500: '#644c58',
    950: '#000000',
  },
}

SCSS

$custom: #644c58;
$custom-light: #907e87;
$custom-dark: #000000;

JSON

{
  "hex": "#644c58",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 88
  },
  "hsl": {
    "h": 330,
    "s": 13.636,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44585,
    "c": 0.03702,
    "h": 347.2
  },
  "luminance": 0.08583
}

Semantic roles & 50–950 ramp

primary

#644C58

secondary

#7A9186

accent

#B69471

background

#F8F7F8

surface

#F0EEEF

border

#CBC9CA

text

#0C0A0B

muted

#7D7C7C

Preview Lab

Preview with #644C58

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

Preview Lab → · Contrast checker → · Palette generator →