#663E1D#663E1D

#663E1D is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.4% C 0.073 H 58.0°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#663E1D
RGB	rgb(102, 62, 29)
HSL	hsl(27, 56%, 26%)
HSV	hsv(27, 72%, 40%)
CMYK	cmyk(0%, 39.2%, 71.6%, 60%)
CIE-LAB	lab(30.30, 14.16, 27.07)
CIE-LCH	lch(30.30, 30.55, 62.39°)
OKLab	oklab(40.44% 0.0387 0.062)
OKLCH	oklch(40.44% 0.073 58)
XYZ	xyz(7.4244, 6.3594, 1.9986)
Luminance	0.0636 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E1D #1D4566

analogous

#661D21 #663E1D #66621D

triadic

#663E1D #1D663E #3E1D66

tetradic

#663E1D #21661D #1D4566 #621D66

square

#663E1D #21661D #1D4566 #621D66

split-complementary

#663E1D #1D6662 #1D2166

monochromatic

#180E07 #36210F #663E1D #965B2B #C57838

Accessibility & contrast

On white

9.24

#663E1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663E1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E1D

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E1D	#FFFFFF	#000000	##FFFFFF
##663E1D	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A421A

Deuteranopia (green-blind)

#534B1D

Tritanopia (blue-blind)

#703537

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663e1d;
/* rgb */ color: rgb(102, 62, 29);
/* oklch */ color: oklch(40.4% 0.073 58.0);

Tailwind

colors: {
  custom: {
    50: '#95735a',
    500: '#663e1d',
    950: '#000000',
  },
}

SCSS

$custom: #663e1d;
$custom-light: #95735a;
$custom-dark: #000000;

JSON

{
  "hex": "#663e1d",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 29
  },
  "hsl": {
    "h": 27.123,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.40439,
    "c": 0.07306,
    "h": 58
  },
  "luminance": 0.06359
}

Semantic roles & 50–950 ramp

primary

#663E1D

secondary

#44749B

accent

#9BDF49

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #663E1D

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

Preview Lab → · Contrast checker → · Palette generator →