#644A4E#644A4E

#644A4E is a dark, muted red. Relative luminance 0.082; OKLCH L 43.8% C 0.036 H 8.4°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#644A4E
RGB	rgb(100, 74, 78)
HSL	hsl(351, 15%, 34%)
HSV	hsv(351, 26%, 39%)
CMYK	cmyk(0%, 26%, 22%, 60.8%)
CIE-LAB	lab(34.31, 11.72, 1.93)
CIE-LCH	lch(34.31, 11.88, 9.35°)
OKLab	oklab(43.82% 0.0355 0.0052)
OKLCH	oklch(43.82% 0.036 8.4)
XYZ	xyz(9.0795, 8.1574, 8.3025)
Luminance	0.0816 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A4E #4A6460

analogous

#644A5B #644A4E #64534A

triadic

#644A4E #4E644A #4A4E64

tetradic

#644A4E #5B644A #4A6460 #534A64

square

#644A4E #5B644A #4A6460 #534A64

split-complementary

#644A4E #4A6453 #4A5B64

monochromatic

#1E1617 #413033 #644A4E #876469 #A48489

Accessibility & contrast

On white

7.98

#644A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#644A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A4E

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A4E	#FFFFFF	#000000	##FFFFFF
##644A4E	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4E4E

Deuteranopia (green-blind)

#54524E

Tritanopia (blue-blind)

#69484B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644a4e;
/* rgb */ color: rgb(100, 74, 78);
/* oklch */ color: oklch(43.8% 0.036 8.4);

Tailwind

colors: {
  custom: {
    50: '#907c7f',
    500: '#644a4e',
    950: '#000000',
  },
}

SCSS

$custom: #644a4e;
$custom-light: #907c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#644a4e",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 78
  },
  "hsl": {
    "h": 350.769,
    "s": 14.943,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43817,
    "c": 0.03585,
    "h": 8.4
  },
  "luminance": 0.08157
}

Semantic roles & 50–950 ramp

primary

#644A4E

secondary

#78928E

accent

#B8AD70

background

#F8F7F7

surface

#F0EEEE

border

#CBC9C9

text

#0C090A

muted

#7D7B7C

Preview Lab

Preview with #644A4E

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

Preview Lab → · Contrast checker → · Palette generator →