#644239#644239

#644239 is a dark, muted red. Relative luminance 0.069; OKLCH L 41.5% C 0.050 H 35.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#644239
RGB	rgb(100, 66, 57)
HSL	hsl(13, 27%, 31%)
HSV	hsv(13, 43%, 39%)
CMYK	cmyk(0%, 34%, 43%, 60.8%)
CIE-LAB	lab(31.58, 13.50, 11.47)
CIE-LCH	lch(31.58, 17.71, 40.34°)
OKLab	oklab(41.53% 0.0408 0.029)
OKLCH	oklch(41.53% 0.05 35.5)
XYZ	xyz(7.9426, 6.9017, 4.7839)
Luminance	0.0690 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644239 #395B64

analogous

#643945 #644239 #645739

triadic

#644239 #396442 #423964

tetradic

#644239 #456439 #395B64 #573964

square

#644239 #456439 #395B64 #573964

split-complementary

#644239 #396457 #394564

monochromatic

#160F0D #3D2823 #644239 #8B5C4F #AB796C

Accessibility & contrast

On white

8.82

#644239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#644239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644239

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644239	#FFFFFF	#000000	##FFFFFF
##644239	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4638

Deuteranopia (green-blind)

#524D39

Tritanopia (blue-blind)

#6C3D40

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #644239;
/* rgb */ color: rgb(100, 66, 57);
/* oklch */ color: oklch(41.5% 0.050 35.5);

Tailwind

colors: {
  custom: {
    50: '#92766f',
    500: '#644239',
    950: '#000000',
  },
}

SCSS

$custom: #644239;
$custom-light: #92766f;
$custom-dark: #000000;

JSON

{
  "hex": "#644239",
  "rgb": {
    "r": 100,
    "g": 66,
    "b": 57
  },
  "hsl": {
    "h": 12.558,
    "s": 27.389,
    "l": 30.784
  },
  "oklch": {
    "l": 0.41529,
    "c": 0.05004,
    "h": 35.5
  },
  "luminance": 0.06901
}

Semantic roles & 50–950 ramp

primary

#644239

secondary

#658A94

accent

#B0C464

background

#F9F7F6

surface

#F1EDEC

border

#CBC8C7

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #644239

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

Preview Lab → · Contrast checker → · Palette generator →