#644644#644644

#644644 is a dark, muted red. Relative luminance 0.075; OKLCH L 42.7% C 0.042 H 23.3°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#644644
RGB	rgb(100, 70, 68)
HSL	hsl(4, 19%, 33%)
HSV	hsv(4, 32%, 39%)
CMYK	cmyk(0%, 30%, 32%, 60.8%)
CIE-LAB	lab(32.94, 12.57, 6.33)
CIE-LCH	lch(32.94, 14.08, 26.71°)
OKLab	oklab(42.66% 0.0384 0.0165)
OKLCH	oklch(42.66% 0.042 23.3)
XYZ	xyz(8.4893, 7.5075, 6.4697)
Luminance	0.0751 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644644 #446264

analogous

#644452 #644644 #645644

triadic

#644644 #446446 #464464

tetradic

#644644 #526444 #446264 #564464

square

#644644 #526444 #446264 #564464

split-complementary

#644644 #446456 #445264

monochromatic

#1B1312 #402C2B #644644 #885F5D #A67F7C

Accessibility & contrast

On white

8.40

#644644 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#644644 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644644

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644644	#FFFFFF	#000000	##FFFFFF
##644644	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)

#4C4A44

Deuteranopia (green-blind)

#535044

Tritanopia (blue-blind)

#6A4346

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #644644;
/* rgb */ color: rgb(100, 70, 68);
/* oklch */ color: oklch(42.7% 0.042 23.3);

Tailwind

colors: {
  custom: {
    50: '#917977',
    500: '#644644',
    950: '#000000',
  },
}

SCSS

$custom: #644644;
$custom-light: #917977;
$custom-dark: #000000;

JSON

{
  "hex": "#644644",
  "rgb": {
    "r": 100,
    "g": 70,
    "b": 68
  },
  "hsl": {
    "h": 3.75,
    "s": 19.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42664,
    "c": 0.04174,
    "h": 23.3
  },
  "luminance": 0.07507
}

Semantic roles & 50–950 ramp

primary

#644644

secondary

#719093

accent

#B7BC6C

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0908

muted

#7E7B7B

Preview Lab

Preview with #644644

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

Preview Lab → · Contrast checker → · Palette generator →