#64372F#64372F

#64372F is a dark, moderate red. Relative luminance 0.056; OKLCH L 39.1% C 0.066 H 31.0°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#64372F
RGB	rgb(100, 55, 47)
HSL	hsl(9, 36%, 29%)
HSV	hsv(9, 53%, 39%)
CMYK	cmyk(0%, 45%, 53%, 60.8%)
CIE-LAB	lab(28.51, 19.09, 13.73)
CIE-LCH	lch(28.51, 23.52, 35.73°)
OKLab	oklab(39.09% 0.0568 0.0341)
OKLCH	oklch(39.09% 0.066 31)
XYZ	xyz(7.1353, 5.6476, 3.4031)
Luminance	0.0565 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64372F #2F5C64

analogous

#642F42 #64372F #64522F

triadic

#64372F #2F6437 #372F64

tetradic

#64372F #42642F #2F5C64 #522F64

square

#64372F #42642F #2F5C64 #522F64

split-complementary

#64372F #2F6452 #2F4264

monochromatic

#150B0A #3A201B #64372F #8E4E43 #B2685B

Accessibility & contrast

On white

9.86

#64372F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#64372F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64372F

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64372F	#FFFFFF	#000000	##FFFFFF
##64372F	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423E2E

Deuteranopia (green-blind)

#4C472E

Tritanopia (blue-blind)

#6D3035

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #64372f;
/* rgb */ color: rgb(100, 55, 47);
/* oklch */ color: oklch(39.1% 0.066 31.0);

Tailwind

colors: {
  custom: {
    50: '#936e67',
    500: '#64372f',
    950: '#000000',
  },
}

SCSS

$custom: #64372f;
$custom-light: #936e67;
$custom-dark: #000000;

JSON

{
  "hex": "#64372f",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 47
  },
  "hsl": {
    "h": 9.057,
    "s": 36.054,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3909,
    "c": 0.06621,
    "h": 31
  },
  "luminance": 0.05647
}

Semantic roles & 50–950 ramp

primary

#64372F

secondary

#598C96

accent

#BBCC5C

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0706

muted

#7E7A7A

Preview Lab

Preview with #64372F

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

Preview Lab → · Contrast checker → · Palette generator →