#644237#644237

#644237 is a dark, muted red. Relative luminance 0.069; OKLCH L 41.5% C 0.051 H 38.7°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#644237
RGB	rgb(100, 66, 55)
HSL	hsl(15, 29%, 30%)
HSV	hsv(15, 45%, 39%)
CMYK	cmyk(0%, 34%, 45%, 60.8%)
CIE-LAB	lab(31.54, 13.25, 12.68)
CIE-LCH	lch(31.54, 18.34, 43.75°)
OKLab	oklab(41.48% 0.0398 0.0319)
OKLCH	oklch(41.48% 0.051 38.7)
XYZ	xyz(7.8937, 6.8822, 4.5263)
Luminance	0.0688 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644237 #375964

analogous

#643742 #644237 #645837

triadic

#644237 #376442 #423764

tetradic

#644237 #426437 #375964 #583764

square

#644237 #426437 #375964 #583764

split-complementary

#644237 #376458 #374264

monochromatic

#150E0C #3D2821 #644237 #8B5C4D #AC7969

Accessibility & contrast

On white

8.84

#644237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#644237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644237

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644237	#FFFFFF	#000000	##FFFFFF
##644237	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4636

Deuteranopia (green-blind)

#524D37

Tritanopia (blue-blind)

#6C3D3F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #644237;
/* rgb */ color: rgb(100, 66, 55);
/* oklch */ color: oklch(41.5% 0.051 38.7);

Tailwind

colors: {
  custom: {
    50: '#92766d',
    500: '#644237',
    950: '#000000',
  },
}

SCSS

$custom: #644237;
$custom-light: #92766d;
$custom-dark: #000000;

JSON

{
  "hex": "#644237",
  "rgb": {
    "r": 100,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 14.667,
    "s": 29.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41479,
    "c": 0.05102,
    "h": 38.7
  },
  "luminance": 0.06882
}

Semantic roles & 50–950 ramp

primary

#644237

secondary

#628894

accent

#ADC562

background

#F9F7F6

surface

#F1EDEB

border

#CBC8C6

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #644237

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

Preview Lab → · Contrast checker → · Palette generator →