#644E52#644E52

#644E52 is a dark, muted red. Relative luminance 0.088; OKLCH L 44.8% C 0.030 H 6.2°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#644E52
RGB	rgb(100, 78, 82)
HSL	hsl(349, 12%, 35%)
HSV	hsv(349, 22%, 39%)
CMYK	cmyk(0%, 22%, 18%, 60.8%)
CIE-LAB	lab(35.53, 9.94, 1.17)
CIE-LCH	lch(35.53, 10.01, 6.74°)
OKLab	oklab(44.8% 0.03 0.0032)
OKLCH	oklch(44.8% 0.03 6.2)
XYZ	xyz(9.5029, 8.7677, 9.1728)
Luminance	0.0877 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E52 #4E6460

analogous

#644E5D #644E52 #64554E

triadic

#644E52 #52644E #4E5264

tetradic

#644E52 #5D644E #4E6460 #554E64

square

#644E52 #5D644E #4E6460 #554E64

split-complementary

#644E52 #4E6455 #4E5D64

monochromatic

#1F181A #423336 #644E52 #86696E #A3898E

Accessibility & contrast

On white

7.63

#644E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#644E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E52

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E52	#FFFFFF	#000000	##FFFFFF
##644E52	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515152

Deuteranopia (green-blind)

#565552

Tritanopia (blue-blind)

#684D4F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #644e52;
/* rgb */ color: rgb(100, 78, 82);
/* oklch */ color: oklch(44.8% 0.030 6.2);

Tailwind

colors: {
  custom: {
    50: '#907f82',
    500: '#644e52',
    950: '#000000',
  },
}

SCSS

$custom: #644e52;
$custom-light: #907f82;
$custom-dark: #000000;

JSON

{
  "hex": "#644e52",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 82
  },
  "hsl": {
    "h": 349.091,
    "s": 12.36,
    "l": 34.902
  },
  "oklch": {
    "l": 0.44804,
    "c": 0.03016,
    "h": 6.2
  },
  "luminance": 0.08767
}

Semantic roles & 50–950 ramp

primary

#644E52

secondary

#7D918E

accent

#B5A973

background

#F8F7F7

surface

#F0EEEE

border

#CBC9C9

text

#0C0A0A

muted

#7D7C7C

Preview Lab

Preview with #644E52

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

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