#663C15#663C15

#663C15 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.079 H 59.8°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#663C15
RGB	rgb(102, 60, 21)
HSL	hsl(29, 66%, 24%)
HSV	hsv(29, 79%, 40%)
CMYK	cmyk(0%, 41.2%, 79.4%, 60%)
CIE-LAB	lab(29.69, 14.92, 30.75)
CIE-LCH	lch(29.69, 34.18, 64.12°)
OKLab	oklab(39.94% 0.0396 0.0681)
OKLCH	oklch(39.94% 0.079 59.8)
XYZ	xyz(7.2313, 6.1114, 1.5081)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663C15 #153F66

analogous

#661516 #663C15 #666515

triadic

#663C15 #15663C #3C1566

tetradic

#663C15 #166615 #153F66 #651566

square

#663C15 #166615 #153F66 #651566

split-complementary

#663C15 #156665 #151666

monochromatic

#190F05 #331E0B #663C15 #995A1F #CC782A

Accessibility & contrast

On white

9.45

#663C15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#663C15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C15

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663C15	#FFFFFF	#000000	##FFFFFF
##663C15	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494010

Deuteranopia (green-blind)

#534A15

Tritanopia (blue-blind)

#703334

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #663c15;
/* rgb */ color: rgb(102, 60, 21);
/* oklch */ color: oklch(39.9% 0.079 59.8);

Tailwind

colors: {
  custom: {
    50: '#967255',
    500: '#663c15',
    950: '#000000',
  },
}

SCSS

$custom: #663c15;
$custom-light: #967255;
$custom-dark: #000000;

JSON

{
  "hex": "#663c15",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 21
  },
  "hsl": {
    "h": 28.889,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3994,
    "c": 0.07879,
    "h": 59.8
  },
  "luminance": 0.06111
}

Semantic roles & 50–950 ramp

primary

#663C15

secondary

#3A6D9D

accent

#97E93F

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #663C15

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

Preview Lab → · Contrast checker → · Palette generator →