#644D49#644D49

#644D49 is a dark, muted red. Relative luminance 0.085; OKLCH L 44.3% C 0.032 H 29.7°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#644D49
RGB	rgb(100, 77, 73)
HSL	hsl(9, 16%, 34%)
HSV	hsv(9, 27%, 39%)
CMYK	cmyk(0%, 23%, 27%, 60.8%)
CIE-LAB	lab(35.00, 9.01, 6.08)
CIE-LCH	lch(35.00, 10.87, 34.03°)
OKLab	oklab(44.31% 0.0278 0.0159)
OKLCH	oklch(44.31% 0.032 29.7)
XYZ	xyz(9.1121, 8.4985, 7.4624)
Luminance	0.0850 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D49 #496064

analogous

#644953 #644D49 #645B49

triadic

#644D49 #49644D #4D4964

tetradic

#644D49 #536449 #496064 #5B4964

square

#644D49 #536449 #496064 #5B4964

split-complementary

#644D49 #49645B #495364

monochromatic

#1D1715 #41322F #644D49 #876863 #A48883

Accessibility & contrast

On white

7.78

#644D49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#644D49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D49

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D49	#FFFFFF	#000000	##FFFFFF
##644D49	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525049

Deuteranopia (green-blind)

#575449

Tritanopia (blue-blind)

#694A4C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644d49;
/* rgb */ color: rgb(100, 77, 73);
/* oklch */ color: oklch(44.3% 0.032 29.7);

Tailwind

colors: {
  custom: {
    50: '#907e7b',
    500: '#644d49',
    950: '#000000',
  },
}

SCSS

$custom: #644d49;
$custom-light: #907e7b;
$custom-dark: #000000;

JSON

{
  "hex": "#644d49",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 73
  },
  "hsl": {
    "h": 8.889,
    "s": 15.607,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44307,
    "c": 0.03199,
    "h": 29.7
  },
  "luminance": 0.08498
}

Semantic roles & 50–950 ramp

primary

#644D49

secondary

#778E92

accent

#AEB86F

background

#F8F7F7

surface

#F0EEED

border

#CBC9C8

text

#0C0A09

muted

#7D7C7B

Preview Lab

Preview with #644D49

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

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