#644643#644643

#644643 is a dark, muted red. Relative luminance 0.075; OKLCH L 42.6% C 0.042 H 25.4°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#644643
RGB	rgb(100, 70, 67)
HSL	hsl(5, 20%, 33%)
HSV	hsv(5, 33%, 39%)
CMYK	cmyk(0%, 30%, 33%, 60.8%)
CIE-LAB	lab(32.91, 12.42, 6.93)
CIE-LCH	lch(32.91, 14.22, 29.15°)
OKLab	oklab(42.64% 0.0379 0.018)
OKLCH	oklch(42.64% 0.042 25.4)
XYZ	xyz(8.4590, 7.4954, 6.3103)
Luminance	0.0750 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644643 #436164

analogous

#644350 #644643 #645643

triadic

#644643 #436446 #464364

tetradic

#644643 #506443 #436164 #564364

square

#644643 #506443 #436164 #564364

split-complementary

#644643 #436456 #435064

monochromatic

#1B1312 #3F2C2A #644643 #89605C #A67F7B

Accessibility & contrast

On white

8.40

#644643 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#644643 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644643

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644643	#FFFFFF	#000000	##FFFFFF
##644643	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4A43

Deuteranopia (green-blind)

#535043

Tritanopia (blue-blind)

#6A4245

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #644643;
/* rgb */ color: rgb(100, 70, 67);
/* oklch */ color: oklch(42.6% 0.042 25.4);

Tailwind

colors: {
  custom: {
    50: '#917977',
    500: '#644643',
    950: '#000000',
  },
}

SCSS

$custom: #644643;
$custom-light: #917977;
$custom-dark: #000000;

JSON

{
  "hex": "#644643",
  "rgb": {
    "r": 100,
    "g": 70,
    "b": 67
  },
  "hsl": {
    "h": 5.455,
    "s": 19.76,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42635,
    "c": 0.04195,
    "h": 25.4
  },
  "luminance": 0.07495
}

Semantic roles & 50–950 ramp

primary

#644643

secondary

#709093

accent

#B5BC6B

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0908

muted

#7E7B7B

Preview Lab

Preview with #644643

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

Preview Lab → · Contrast checker → · Palette generator →