#64372A#64372A

#64372A is a dark, moderate red. Relative luminance 0.056; OKLCH L 39.0% C 0.068 H 36.9°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#64372A
RGB	rgb(100, 55, 42)
HSL	hsl(13, 41%, 28%)
HSV	hsv(13, 58%, 39%)
CMYK	cmyk(0%, 45%, 58%, 60.8%)
CIE-LAB	lab(28.41, 18.58, 16.82)
CIE-LCH	lch(28.41, 25.06, 42.15°)
OKLab	oklab(38.98% 0.0545 0.041)
OKLCH	oklch(38.98% 0.068 36.9)
XYZ	xyz(7.0401, 5.6096, 2.9020)
Luminance	0.0561 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64372A #2A5764

analogous

#642A3A #64372A #64542A

triadic

#64372A #2A6437 #372A64

tetradic

#64372A #3A642A #2A5764 #542A64

square

#64372A #3A642A #2A5764 #542A64

split-complementary

#64372A #2A6454 #2A3A64

monochromatic

#160C09 #391F18 #64372A #8F4F3C #B66952

Accessibility & contrast

On white

9.90

#64372A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#64372A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64372A

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64372A	#FFFFFF	#000000	##FFFFFF
##64372A	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423D29

Deuteranopia (green-blind)

#4D4729

Tritanopia (blue-blind)

#6D2F34

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #64372a;
/* rgb */ color: rgb(100, 55, 42);
/* oklch */ color: oklch(39.0% 0.068 36.9);

Tailwind

colors: {
  custom: {
    50: '#936e63',
    500: '#64372a',
    950: '#000000',
  },
}

SCSS

$custom: #64372a;
$custom-light: #936e63;
$custom-dark: #000000;

JSON

{
  "hex": "#64372a",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 42
  },
  "hsl": {
    "h": 13.448,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3898,
    "c": 0.06816,
    "h": 36.9
  },
  "luminance": 0.05609
}

Semantic roles & 50–950 ramp

primary

#64372A

secondary

#538796

accent

#B5D157

background

#F9F6F5

surface

#F2ECEA

border

#CCC7C6

text

#0D0705

muted

#7E7A79

Preview Lab

Preview with #64372A

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

Preview Lab → · Contrast checker → · Palette generator →