#644339#644339

#644339 is a dark, muted red. Relative luminance 0.070; OKLCH L 41.7% C 0.049 H 37.6°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#644339
RGB	rgb(100, 67, 57)
HSL	hsl(14, 27%, 31%)
HSV	hsv(14, 43%, 39%)
CMYK	cmyk(0%, 33%, 43%, 60.8%)
CIE-LAB	lab(31.85, 12.88, 11.83)
CIE-LCH	lch(31.85, 17.49, 42.57°)
OKLab	oklab(41.74% 0.0389 0.0299)
OKLCH	oklch(41.74% 0.049 37.6)
XYZ	xyz(8.0015, 7.0196, 4.8036)
Luminance	0.0702 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644339 #395A64

analogous

#643944 #644339 #645839

triadic

#644339 #396443 #433964

tetradic

#644339 #446439 #395A64 #583964

square

#644339 #446439 #395A64 #583964

split-complementary

#644339 #396458 #394464

monochromatic

#160F0D #3D2923 #644339 #8B5D4F #AB7B6C

Accessibility & contrast

On white

8.74

#644339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#644339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644339

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644339	#FFFFFF	#000000	##FFFFFF
##644339	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4738

Deuteranopia (green-blind)

#534E39

Tritanopia (blue-blind)

#6B3E40

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #644339;
/* rgb */ color: rgb(100, 67, 57);
/* oklch */ color: oklch(41.7% 0.049 37.6);

Tailwind

colors: {
  custom: {
    50: '#92776f',
    500: '#644339',
    950: '#000000',
  },
}

SCSS

$custom: #644339;
$custom-light: #92776f;
$custom-dark: #000000;

JSON

{
  "hex": "#644339",
  "rgb": {
    "r": 100,
    "g": 67,
    "b": 57
  },
  "hsl": {
    "h": 13.953,
    "s": 27.389,
    "l": 30.784
  },
  "oklch": {
    "l": 0.41737,
    "c": 0.04906,
    "h": 37.6
  },
  "luminance": 0.07019
}

Semantic roles & 50–950 ramp

primary

#644339

secondary

#658994

accent

#ADC464

background

#F9F7F6

surface

#F1EDEC

border

#CBC8C7

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #644339

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

Preview Lab → · Contrast checker → · Palette generator →