#66372A#66372A

#66372A is a dark, moderate red. Relative luminance 0.057; OKLCH L 39.3% C 0.071 H 36.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#66372A
RGB	rgb(102, 55, 42)
HSL	hsl(13, 42%, 28%)
HSV	hsv(13, 59%, 40%)
CMYK	cmyk(0%, 46.1%, 58.8%, 60%)
CIE-LAB	lab(28.71, 19.48, 17.27)
CIE-LCH	lch(28.71, 26.03, 41.56°)
OKLab	oklab(39.28% 0.0571 0.042)
OKLCH	oklch(39.28% 0.071 36.3)
XYZ	xyz(7.2641, 5.7251, 2.9125)
Luminance	0.0572 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66372A #2A5966

analogous

#662A3B #66372A #66552A

triadic

#66372A #2A6637 #372A66

tetradic

#66372A #3B662A #2A5966 #552A66

square

#66372A #3B662A #2A5966 #552A66

split-complementary

#66372A #2A6655 #2A3B66

monochromatic

#160C09 #3B2018 #66372A #914E3C #B86852

Accessibility & contrast

On white

9.79

#66372A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#66372A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66372A

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66372A	#FFFFFF	#000000	##FFFFFF
##66372A	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433E29

Deuteranopia (green-blind)

#4E4829

Tritanopia (blue-blind)

#6F2F34

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #66372a;
/* rgb */ color: rgb(102, 55, 42);
/* oklch */ color: oklch(39.3% 0.071 36.3);

Tailwind

colors: {
  custom: {
    50: '#956e63',
    500: '#66372a',
    950: '#000000',
  },
}

SCSS

$custom: #66372a;
$custom-light: #956e63;
$custom-dark: #000000;

JSON

{
  "hex": "#66372a",
  "rgb": {
    "r": 102,
    "g": 55,
    "b": 42
  },
  "hsl": {
    "h": 13,
    "s": 41.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.39276,
    "c": 0.07082,
    "h": 36.3
  },
  "luminance": 0.05724
}

Semantic roles & 50–950 ramp

primary

#66372A

secondary

#548998

accent

#B7D156

background

#F9F6F5

surface

#F2ECEA

border

#CCC7C6

text

#0E0705

muted

#7E7A79

Preview Lab

Preview with #66372A

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

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