#66331B#66331B

#66331B is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.3% C 0.082 H 44.6°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#66331B
RGB	rgb(102, 51, 27)
HSL	hsl(19, 58%, 25%)
HSV	hsv(19, 74%, 40%)
CMYK	cmyk(0%, 50%, 73.5%, 60%)
CIE-LAB	lab(27.50, 20.71, 25.08)
CIE-LCH	lch(27.50, 32.52, 50.45°)
OKLab	oklab(38.27% 0.0581 0.0573)
OKLCH	oklch(38.27% 0.082 44.6)
XYZ	xyz(6.8617, 5.2723, 1.6930)
Luminance	0.0527 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66331B #1B4E66

analogous

#661B28 #66331B #66581B

triadic

#66331B #1B6633 #331B66

tetradic

#66331B #28661B #1B4E66 #581B66

square

#66331B #28661B #1B4E66 #581B66

split-complementary

#66331B #1B6658 #1B2866

monochromatic

#180C06 #361B0E #66331B #964B28 #C76335

Accessibility & contrast

On white

10.22

#66331B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#66331B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66331B

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66331B	#FFFFFF	#000000	##FFFFFF
##66331B	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A18

Deuteranopia (green-blind)

#4D451A

Tritanopia (blue-blind)

#70292E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #66331b;
/* rgb */ color: rgb(102, 51, 27);
/* oklch */ color: oklch(38.3% 0.082 44.6);

Tailwind

colors: {
  custom: {
    50: '#966b58',
    500: '#66331b',
    950: '#000000',
  },
}

SCSS

$custom: #66331b;
$custom-light: #966b58;
$custom-dark: #000000;

JSON

{
  "hex": "#66331b",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 27
  },
  "hsl": {
    "h": 19.2,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.38272,
    "c": 0.08159,
    "h": 44.6
  },
  "luminance": 0.05272
}

Semantic roles & 50–950 ramp

primary

#66331B

secondary

#417F9B

accent

#B0E146

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #66331B

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

Preview Lab → · Contrast checker → · Palette generator →