#663E2A#663E2A

#663E2A is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.6% C 0.065 H 46.9°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#663E2A
RGB	rgb(102, 62, 42)
HSL	hsl(20, 42%, 28%)
HSV	hsv(20, 59%, 40%)
CMYK	cmyk(0%, 39.2%, 58.8%, 60%)
CIE-LAB	lab(30.49, 15.21, 19.54)
CIE-LCH	lch(30.49, 24.76, 52.11°)
OKLab	oklab(40.65% 0.044 0.0471)
OKLCH	oklch(40.65% 0.065 46.9)
XYZ	xyz(7.6205, 6.4379, 3.0313)
Luminance	0.0644 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E2A #2A5266

analogous

#662A34 #663E2A #665C2A

triadic

#663E2A #2A663E #3E2A66

tetradic

#663E2A #34662A #2A5266 #5C2A66

square

#663E2A #34662A #2A5266 #5C2A66

split-complementary

#663E2A #2A665C #2A3466

monochromatic

#160D09 #3B2418 #663E2A #91583C #B87452

Accessibility & contrast

On white

9.18

#663E2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#663E2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E2A

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E2A	#FFFFFF	#000000	##FFFFFF
##663E2A	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494328

Deuteranopia (green-blind)

#524B2A

Tritanopia (blue-blind)

#6F3739

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663e2a;
/* rgb */ color: rgb(102, 62, 42);
/* oklch */ color: oklch(40.6% 0.065 46.9);

Tailwind

colors: {
  custom: {
    50: '#947364',
    500: '#663e2a',
    950: '#000000',
  },
}

SCSS

$custom: #663e2a;
$custom-light: #947364;
$custom-dark: #000000;

JSON

{
  "hex": "#663e2a",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 42
  },
  "hsl": {
    "h": 20,
    "s": 41.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40647,
    "c": 0.0645,
    "h": 46.9
  },
  "luminance": 0.06437
}

Semantic roles & 50–950 ramp

primary

#663E2A

secondary

#548198

accent

#A8D156

background

#F9F7F5

surface

#F2EDEA

border

#CCC8C6

text

#0E0805

muted

#7E7B79

Preview Lab

Preview with #663E2A

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

Preview Lab → · Contrast checker → · Palette generator →