#663C19#663C19

#663C19 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 40.0% C 0.076 H 57.7°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#663C19
RGB	rgb(102, 60, 25)
HSL	hsl(27, 61%, 25%)
HSV	hsv(27, 75%, 40%)
CMYK	cmyk(0%, 41.2%, 75.5%, 60%)
CIE-LAB	lab(29.73, 15.14, 28.67)
CIE-LCH	lch(29.73, 32.42, 62.17°)
OKLab	oklab(39.98% 0.0409 0.0646)
OKLCH	oklch(39.98% 0.076 57.7)
XYZ	xyz(7.2714, 6.1274, 1.7193)
Luminance	0.0613 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663C19 #194366

analogous

#66191C #663C19 #666319

triadic

#663C19 #19663C #3C1966

tetradic

#663C19 #1C6619 #194366 #631966

square

#663C19 #1C6619 #194366 #631966

split-complementary

#663C19 #196663 #191C66

monochromatic

#190E06 #351F0D #663C19 #975925 #C87631

Accessibility & contrast

On white

9.44

#663C19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#663C19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C19

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663C19	#FFFFFF	#000000	##FFFFFF
##663C19	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494015

Deuteranopia (green-blind)

#534A19

Tritanopia (blue-blind)

#703334

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #663c19;
/* rgb */ color: rgb(102, 60, 25);
/* oklch */ color: oklch(40.0% 0.076 57.7);

Tailwind

colors: {
  custom: {
    50: '#967257',
    500: '#663c19',
    950: '#000000',
  },
}

SCSS

$custom: #663c19;
$custom-light: #967257;
$custom-dark: #000000;

JSON

{
  "hex": "#663c19",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 25
  },
  "hsl": {
    "h": 27.273,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.39984,
    "c": 0.07648,
    "h": 57.7
  },
  "luminance": 0.06127
}

Semantic roles & 50–950 ramp

primary

#663C19

secondary

#3F729C

accent

#9BE444

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663C19

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

Preview Lab → · Contrast checker → · Palette generator →