#644D52#644D52

#644D52 is a dark, muted red. Relative luminance 0.086; OKLCH L 44.6% C 0.032 H 3.9°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#644D52
RGB	rgb(100, 77, 82)
HSL	hsl(347, 13%, 35%)
HSV	hsv(347, 23%, 39%)
CMYK	cmyk(0%, 23%, 18%, 60.8%)
CIE-LAB	lab(35.26, 10.56, 0.77)
CIE-LCH	lch(35.26, 10.59, 4.17°)
OKLab	oklab(44.59% 0.0318 0.0022)
OKLCH	oklch(44.59% 0.032 3.9)
XYZ	xyz(9.4324, 8.6266, 9.1493)
Luminance	0.0863 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D52 #4D645F

analogous

#644D5D #644D52 #64544D

triadic

#644D52 #52644D #4D5264

tetradic

#644D52 #5D644D #4D645F #544D64

square

#644D52 #5D644D #4D645F #544D64

split-complementary

#644D52 #4D6454 #4D5D64

monochromatic

#1F1819 #413236 #644D52 #87686E #A3888E

Accessibility & contrast

On white

7.71

#644D52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#644D52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D52

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D52	#FFFFFF	#000000	##FFFFFF
##644D52	1.00	7.71	2.73	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505152

Deuteranopia (green-blind)

#555452

Tritanopia (blue-blind)

#684C4F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #644d52;
/* rgb */ color: rgb(100, 77, 82);
/* oklch */ color: oklch(44.6% 0.032 3.9);

Tailwind

colors: {
  custom: {
    50: '#907f82',
    500: '#644d52',
    950: '#000000',
  },
}

SCSS

$custom: #644d52;
$custom-light: #907f82;
$custom-dark: #000000;

JSON

{
  "hex": "#644d52",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 82
  },
  "hsl": {
    "h": 346.957,
    "s": 12.994,
    "l": 34.706
  },
  "oklch": {
    "l": 0.44589,
    "c": 0.03185,
    "h": 3.9
  },
  "luminance": 0.08626
}

Semantic roles & 50–950 ramp

primary

#644D52

secondary

#7B918D

accent

#B6A772

background

#F8F7F7

surface

#F0EEEE

border

#CBC9C9

text

#0C0A0A

muted

#7D7C7C

Preview Lab

Preview with #644D52

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

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