#66331E#66331E

#66331E is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.3% C 0.080 H 42.4°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#66331E
RGB	rgb(102, 51, 30)
HSL	hsl(18, 55%, 26%)
HSV	hsv(18, 71%, 40%)
CMYK	cmyk(0%, 50%, 70.6%, 60%)
CIE-LAB	lab(27.54, 20.90, 23.32)
CIE-LCH	lch(27.54, 31.32, 48.13°)
OKLab	oklab(38.32% 0.0593 0.054)
OKLCH	oklch(38.32% 0.08 42.4)
XYZ	xyz(6.8982, 5.2869, 1.8853)
Luminance	0.0529 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66331E #1E5166

analogous

#661E2D #66331E #66571E

triadic

#66331E #1E6633 #331E66

tetradic

#66331E #2D661E #1E5166 #571E66

square

#66331E #2D661E #1E5166 #571E66

split-complementary

#66331E #1E6657 #1E2D66

monochromatic

#180C07 #371B10 #66331E #954B2C #C5623A

Accessibility & contrast

On white

10.21

#66331E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#66331E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66331E

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66331E	#FFFFFF	#000000	##FFFFFF
##66331E	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A1C

Deuteranopia (green-blind)

#4D451D

Tritanopia (blue-blind)

#70292E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #66331e;
/* rgb */ color: rgb(102, 51, 30);
/* oklch */ color: oklch(38.3% 0.080 42.4);

Tailwind

colors: {
  custom: {
    50: '#966b5a',
    500: '#66331e',
    950: '#000000',
  },
}

SCSS

$custom: #66331e;
$custom-light: #966b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#66331e",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 30
  },
  "hsl": {
    "h": 17.5,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.38316,
    "c": 0.0802,
    "h": 42.4
  },
  "luminance": 0.05286
}

Semantic roles & 50–950 ramp

primary

#66331E

secondary

#45829B

accent

#B3DE4A

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #66331E

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

Preview Lab → · Contrast checker → · Palette generator →