#64372B#64372B

#64372B is a dark, moderate red. Relative luminance 0.056; OKLCH L 39.0% C 0.068 H 35.8°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#64372B
RGB	rgb(100, 55, 43)
HSL	hsl(13, 40%, 28%)
HSV	hsv(13, 57%, 39%)
CMYK	cmyk(0%, 45%, 57%, 60.8%)
CIE-LAB	lab(28.42, 18.68, 16.20)
CIE-LCH	lch(28.42, 24.73, 40.94°)
OKLab	oklab(39% 0.0549 0.0396)
OKLCH	oklch(39% 0.068 35.8)
XYZ	xyz(7.0582, 5.6168, 2.9975)
Luminance	0.0562 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64372B #2B5864

analogous

#642B3B #64372B #64532B

triadic

#64372B #2B6437 #372B64

tetradic

#64372B #3B642B #2B5864 #532B64

square

#64372B #3B642B #2B5864 #532B64

split-complementary

#64372B #2B6453 #2B3B64

monochromatic

#150C09 #391F19 #64372B #8F4F3D #B56854

Accessibility & contrast

On white

9.89

#64372B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#64372B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64372B

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64372B	#FFFFFF	#000000	##FFFFFF
##64372B	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423D2A

Deuteranopia (green-blind)

#4D472A

Tritanopia (blue-blind)

#6D3034

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #64372b;
/* rgb */ color: rgb(100, 55, 43);
/* oklch */ color: oklch(39.0% 0.068 35.8);

Tailwind

colors: {
  custom: {
    50: '#936e64',
    500: '#64372b',
    950: '#000000',
  },
}

SCSS

$custom: #64372b;
$custom-light: #936e64;
$custom-dark: #000000;

JSON

{
  "hex": "#64372b",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 43
  },
  "hsl": {
    "h": 12.632,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.39001,
    "c": 0.06773,
    "h": 35.8
  },
  "luminance": 0.05616
}

Semantic roles & 50–950 ramp

primary

#64372B

secondary

#558896

accent

#B7D058

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0705

muted

#7E7A7A

Preview Lab

Preview with #64372B

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

Preview Lab → · Contrast checker → · Palette generator →