#66331C#66331C

#66331C is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.3% C 0.081 H 43.9°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#66331C
RGB	rgb(102, 51, 28)
HSL	hsl(19, 57%, 25%)
HSV	hsv(19, 73%, 40%)
CMYK	cmyk(0%, 50%, 72.5%, 60%)
CIE-LAB	lab(27.51, 20.77, 24.50)
CIE-LCH	lch(27.51, 32.12, 49.71°)
OKLab	oklab(38.29% 0.0585 0.0562)
OKLCH	oklch(38.29% 0.081 43.9)
XYZ	xyz(6.8735, 5.2771, 1.7550)
Luminance	0.0528 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66331C #1C4F66

analogous

#661C2A #66331C #66581C

triadic

#66331C #1C6633 #331C66

tetradic

#66331C #2A661C #1C4F66 #581C66

square

#66331C #2A661C #1C4F66 #581C66

split-complementary

#66331C #1C6658 #1C2A66

monochromatic

#180C07 #361B0F #66331C #964B29 #C66336

Accessibility & contrast

On white

10.22

#66331C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#66331C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66331C

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66331C	#FFFFFF	#000000	##FFFFFF
##66331C	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A1A

Deuteranopia (green-blind)

#4D451B

Tritanopia (blue-blind)

#70292E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #66331c;
/* rgb */ color: rgb(102, 51, 28);
/* oklch */ color: oklch(38.3% 0.081 43.9);

Tailwind

colors: {
  custom: {
    50: '#966b59',
    500: '#66331c',
    950: '#000000',
  },
}

SCSS

$custom: #66331c;
$custom-light: #966b59;
$custom-dark: #000000;

JSON

{
  "hex": "#66331c",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 28
  },
  "hsl": {
    "h": 18.649,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.38286,
    "c": 0.08112,
    "h": 43.9
  },
  "luminance": 0.05276
}

Semantic roles & 50–950 ramp

primary

#66331C

secondary

#43809B

accent

#B1E048

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #66331C

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

Preview Lab → · Contrast checker → · Palette generator →