#664C22#664C22

#664C22 is a dark, moderate orange. Relative luminance 0.081; OKLCH L 43.5% C 0.068 H 77.3°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#664C22
RGB	rgb(102, 76, 34)
HSL	hsl(37, 50%, 27%)
HSV	hsv(37, 67%, 40%)
CMYK	cmyk(0%, 25.5%, 66.7%, 60%)
CIE-LAB	lab(34.21, 5.88, 28.69)
CIE-LCH	lch(34.21, 29.29, 78.43°)
OKLab	oklab(43.5% 0.015 0.0663)
OKLCH	oklch(43.5% 0.068 77.3)
XYZ	xyz(8.3531, 8.1097, 2.6384)
Luminance	0.0811 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664C22 #223C66

analogous

#662A22 #664C22 #5E6622

triadic

#664C22 #22664C #4C2266

tetradic

#664C22 #22662A #223C66 #66225E

square

#664C22 #22662A #223C66 #66225E

split-complementary

#664C22 #225E66 #2A2266

monochromatic

#171108 #382A13 #664C22 #946E31 #C09042

Accessibility & contrast

On white

8.01

#664C22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#664C22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664C22

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664C22	#FFFFFF	#000000	##FFFFFF
##664C22	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D1E

Deuteranopia (green-blind)

#5C5323

Tritanopia (blue-blind)

#6F4543

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #664c22;
/* rgb */ color: rgb(102, 76, 34);
/* oklch */ color: oklch(43.5% 0.068 77.3);

Tailwind

colors: {
  custom: {
    50: '#947d5f',
    500: '#664c22',
    950: '#000000',
  },
}

SCSS

$custom: #664c22;
$custom-light: #947d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#664c22",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 34
  },
  "hsl": {
    "h": 37.059,
    "s": 50,
    "l": 26.667
  },
  "oklch": {
    "l": 0.43502,
    "c": 0.06796,
    "h": 77.3
  },
  "luminance": 0.08109
}

Semantic roles & 50–950 ramp

primary

#664C22

secondary

#4A699A

accent

#84DA4E

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0904

muted

#7E7B79

Preview Lab

Preview with #664C22

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

Preview Lab → · Contrast checker → · Palette generator →