#644343#644343

#644343 is a dark, muted red. Relative luminance 0.071; OKLCH L 42.0% C 0.046 H 19.2°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#644343
RGB	rgb(100, 67, 67)
HSL	hsl(0, 20%, 33%)
HSV	hsv(0, 33%, 39%)
CMYK	cmyk(0%, 33%, 33%, 60.8%)
CIE-LAB	lab(32.10, 14.29, 5.78)
CIE-LCH	lch(32.10, 15.41, 22.04°)
OKLab	oklab(42.01% 0.0435 0.0151)
OKLCH	oklch(42.01% 0.046 19.2)
XYZ	xyz(8.2760, 7.1294, 6.2493)
Luminance	0.0713 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644343 #436464

analogous

#644353 #644343 #645343

triadic

#644343 #436443 #434364

tetradic

#644343 #536443 #436464 #534364

square

#644343 #536443 #436464 #534364

split-complementary

#644343 #436453 #435364

monochromatic

#1B1212 #3F2A2A #644343 #895C5C #A67B7B

Accessibility & contrast

On white

8.66

#644343 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#644343 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644343

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644343	#FFFFFF	#000000	##FFFFFF
##644343	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494843

Deuteranopia (green-blind)

#514E42

Tritanopia (blue-blind)

#6B4043

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #644343;
/* rgb */ color: rgb(100, 67, 67);
/* oklch */ color: oklch(42.0% 0.046 19.2);

Tailwind

colors: {
  custom: {
    50: '#917777',
    500: '#644343',
    950: '#000000',
  },
}

SCSS

$custom: #644343;
$custom-light: #917777;
$custom-dark: #000000;

JSON

{
  "hex": "#644343",
  "rgb": {
    "r": 100,
    "g": 67,
    "b": 67
  },
  "hsl": {
    "h": 0,
    "s": 19.76,
    "l": 32.745
  },
  "oklch": {
    "l": 0.4201,
    "c": 0.04601,
    "h": 19.2
  },
  "luminance": 0.07129
}

Semantic roles & 50–950 ramp

primary

#644343

secondary

#709393

accent

#BCBC6B

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0808

muted

#7E7B7B

Preview Lab

Preview with #644343

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

Preview Lab → · Contrast checker → · Palette generator →