#663C1A#663C1A

#663C1A is a dark, moderate orange. Relative luminance 0.061; OKLCH L 40.0% C 0.076 H 57.0°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#663C1A
RGB	rgb(102, 60, 26)
HSL	hsl(27, 59%, 25%)
HSV	hsv(27, 75%, 40%)
CMYK	cmyk(0%, 41.2%, 74.5%, 60%)
CIE-LAB	lab(29.74, 15.20, 28.13)
CIE-LCH	lch(29.74, 31.98, 61.62°)
OKLab	oklab(40% 0.0413 0.0637)
OKLCH	oklch(40% 0.076 57)
XYZ	xyz(7.2824, 6.1318, 1.7771)
Luminance	0.0613 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663C1A #1A4466

analogous

#661A1E #663C1A #66621A

triadic

#663C1A #1A663C #3C1A66

tetradic

#663C1A #1E661A #1A4466 #621A66

square

#663C1A #1E661A #1A4466 #621A66

split-complementary

#663C1A #1A6662 #1A1E66

monochromatic

#180E06 #351F0E #663C1A #975926 #C87533

Accessibility & contrast

On white

9.43

#663C1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#663C1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C1A

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663C1A	#FFFFFF	#000000	##FFFFFF
##663C1A	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484016

Deuteranopia (green-blind)

#524A1A

Tritanopia (blue-blind)

#703335

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #663c1a;
/* rgb */ color: rgb(102, 60, 26);
/* oklch */ color: oklch(40.0% 0.076 57.0);

Tailwind

colors: {
  custom: {
    50: '#967258',
    500: '#663c1a',
    950: '#000000',
  },
}

SCSS

$custom: #663c1a;
$custom-light: #967258;
$custom-dark: #000000;

JSON

{
  "hex": "#663c1a",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 26
  },
  "hsl": {
    "h": 26.842,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.39996,
    "c": 0.07588,
    "h": 57
  },
  "luminance": 0.06131
}

Semantic roles & 50–950 ramp

primary

#663C1A

secondary

#40739C

accent

#9CE345

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663C1A

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

Preview Lab → · Contrast checker → · Palette generator →