#663311#663311

#663311 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 38.2% C 0.086 H 50.6°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#663311
RGB	rgb(102, 51, 17)
HSL	hsl(24, 71%, 23%)
HSV	hsv(24, 83%, 40%)
CMYK	cmyk(0%, 50%, 83.3%, 60%)
CIE-LAB	lab(27.39, 20.18, 30.50)
CIE-LCH	lch(27.39, 36.57, 56.50°)
OKLab	oklab(38.16% 0.0547 0.0665)
OKLCH	oklch(38.16% 0.086 50.6)
XYZ	xyz(6.7651, 5.2337, 1.1842)
Luminance	0.0523 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663311 #114466

analogous

#661119 #663311 #665D11

triadic

#663311 #116633 #331166

tetradic

#663311 #196611 #114466 #5D1166

square

#663311 #196611 #114466 #5D1166

split-complementary

#663311 #11665D #111966

monochromatic

#1A0D04 #321908 #663311 #9A4D1A #CF6722

Accessibility & contrast

On white

10.26

#663311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#663311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663311

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663311	#FFFFFF	#000000	##FFFFFF
##663311	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A0C

Deuteranopia (green-blind)

#4E4510

Tritanopia (blue-blind)

#70282C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #663311;
/* rgb */ color: rgb(102, 51, 17);
/* oklch */ color: oklch(38.2% 0.086 50.6);

Tailwind

colors: {
  custom: {
    50: '#976b51',
    500: '#663311',
    950: '#000000',
  },
}

SCSS

$custom: #663311;
$custom-light: #976b51;
$custom-dark: #000000;

JSON

{
  "hex": "#663311",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 17
  },
  "hsl": {
    "h": 24,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.38156,
    "c": 0.08608,
    "h": 50.6
  },
  "luminance": 0.05233
}

Semantic roles & 50–950 ramp

primary

#663311

secondary

#35749E

accent

#A6EE3A

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663311

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

Preview Lab → · Contrast checker → · Palette generator →