#663A16#663A16

#663A16 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.6% C 0.079 H 56.6°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#663A16
RGB	rgb(102, 58, 22)
HSL	hsl(27, 65%, 24%)
HSV	hsv(27, 78%, 40%)
CMYK	cmyk(0%, 43.1%, 78.4%, 60%)
CIE-LAB	lab(29.18, 16.20, 29.71)
CIE-LCH	lch(29.18, 33.83, 61.40°)
OKLab	oklab(39.55% 0.0436 0.0661)
OKLCH	oklch(39.55% 0.079 56.6)
XYZ	xyz(7.1380, 5.9096, 1.5237)
Luminance	0.0591 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663A16 #164266

analogous

#66161A #663A16 #666216

triadic

#663A16 #16663A #3A1666

tetradic

#663A16 #1A6616 #164266 #621666

square

#663A16 #1A6616 #164266 #621666

split-complementary

#663A16 #166662 #161A66

monochromatic

#190E05 #341D0B #663A16 #985721 #CB732C

Accessibility & contrast

On white

9.63

#663A16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#663A16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663A16

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663A16	#FFFFFF	#000000	##FFFFFF
##663A16	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F12

Deuteranopia (green-blind)

#524916

Tritanopia (blue-blind)

#703132

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #663a16;
/* rgb */ color: rgb(102, 58, 22);
/* oklch */ color: oklch(39.6% 0.079 56.6);

Tailwind

colors: {
  custom: {
    50: '#967055',
    500: '#663a16',
    950: '#000000',
  },
}

SCSS

$custom: #663a16;
$custom-light: #967055;
$custom-dark: #000000;

JSON

{
  "hex": "#663a16",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 22
  },
  "hsl": {
    "h": 27,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.3955,
    "c": 0.0792,
    "h": 56.6
  },
  "luminance": 0.05909
}

Semantic roles & 50–950 ramp

primary

#663A16

secondary

#3B719D

accent

#9CE840

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #663A16

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

Preview Lab → · Contrast checker → · Palette generator →