#66331D#66331D

#66331D is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.3% C 0.081 H 43.1°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#66331D
RGB	rgb(102, 51, 29)
HSL	hsl(18, 56%, 26%)
HSV	hsv(18, 72%, 40%)
CMYK	cmyk(0%, 50%, 71.6%, 60%)
CIE-LAB	lab(27.52, 20.84, 23.91)
CIE-LCH	lch(27.52, 31.72, 48.93°)
OKLab	oklab(38.3% 0.0589 0.0552)
OKLCH	oklch(38.3% 0.081 43.1)
XYZ	xyz(6.8857, 5.2819, 1.8191)
Luminance	0.0528 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66331D #1D5066

analogous

#661D2B #66331D #66571D

triadic

#66331D #1D6633 #331D66

tetradic

#66331D #2B661D #1D5066 #571D66

square

#66331D #2B661D #1D5066 #571D66

split-complementary

#66331D #1D6657 #1D2B66

monochromatic

#180C07 #361B0F #66331D #964B2B #C56338

Accessibility & contrast

On white

10.21

#66331D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#66331D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66331D

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66331D	#FFFFFF	#000000	##FFFFFF
##66331D	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)

#413A1B

Deuteranopia (green-blind)

#4D451C

Tritanopia (blue-blind)

#70292E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #66331d;
/* rgb */ color: rgb(102, 51, 29);
/* oklch */ color: oklch(38.3% 0.081 43.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66331d",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 29
  },
  "hsl": {
    "h": 18.082,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.38301,
    "c": 0.08066,
    "h": 43.1
  },
  "luminance": 0.05281
}

Semantic roles & 50–950 ramp

primary

#66331D

secondary

#44819B

accent

#B2DF49

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #66331D

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

Preview Lab → · Contrast checker → · Palette generator →