#644C54#644C54

#644C54 is a dark, muted pink. Relative luminance 0.085; OKLCH L 44.4% C 0.034 H 356.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#644C54
RGB	rgb(100, 76, 84)
HSL	hsl(340, 14%, 35%)
HSV	hsv(340, 24%, 39%)
CMYK	cmyk(0%, 24%, 16%, 60.8%)
CIE-LAB	lab(35.04, 11.55, -0.81)
CIE-LCH	lch(35.04, 11.58, 356.01°)
OKLab	oklab(44.44% 0.0344 -0.002)
OKLCH	oklch(44.44% 0.034 356.7)
XYZ	xyz(9.4402, 8.5187, 9.5328)
Luminance	0.0852 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C54 #4C645C

analogous

#644C60 #644C54 #64504C

triadic

#644C54 #54644C #4C5464

tetradic

#644C54 #60644C #4C645C #504C64

square

#644C54 #60644C #4C645C #504C64

split-complementary

#644C54 #4C6450 #4C6064

monochromatic

#1E171A #413237 #644C54 #876671 #A48790

Accessibility & contrast

On white

7.77

#644C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#644C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C54

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C54	#FFFFFF	#000000	##FFFFFF
##644C54	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5054

Deuteranopia (green-blind)

#545453

Tritanopia (blue-blind)

#684B4F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644c54;
/* rgb */ color: rgb(100, 76, 84);
/* oklch */ color: oklch(44.4% 0.034 356.7);

Tailwind

colors: {
  custom: {
    50: '#907e84',
    500: '#644c54',
    950: '#000000',
  },
}

SCSS

$custom: #644c54;
$custom-light: #907e84;
$custom-dark: #000000;

JSON

{
  "hex": "#644c54",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 84
  },
  "hsl": {
    "h": 340,
    "s": 13.636,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44443,
    "c": 0.03449,
    "h": 356.7
  },
  "luminance": 0.08518
}

Semantic roles & 50–950 ramp

primary

#644C54

secondary

#7A918A

accent

#B69F71

background

#F8F7F8

surface

#F0EEEF

border

#CBC9CA

text

#0C0A0A

muted

#7D7C7C

Preview Lab

Preview with #644C54

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

Preview Lab → · Contrast checker → · Palette generator →