#664B19#664B19

#664B19 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.2% C 0.075 H 79.5°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#664B19
RGB	rgb(102, 75, 25)
HSL	hsl(39, 61%, 25%)
HSV	hsv(39, 75%, 40%)
CMYK	cmyk(0%, 26.5%, 75.5%, 60%)
CIE-LAB	lab(33.83, 5.89, 32.98)
CIE-LCH	lch(33.83, 33.50, 79.88°)
OKLab	oklab(43.18% 0.0136 0.0738)
OKLCH	oklch(43.18% 0.075 79.5)
XYZ	xyz(8.1716, 7.9277, 2.0193)
Luminance	0.0793 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664B19 #193466

analogous

#662419 #664B19 #5B6619

triadic

#664B19 #19664B #4B1966

tetradic

#664B19 #196624 #193466 #66195B

square

#664B19 #196624 #193466 #66195B

split-complementary

#664B19 #195B66 #241966

monochromatic

#191206 #35270D #664B19 #976F25 #C89331

Accessibility & contrast

On white

8.12

#664B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#664B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664B19

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664B19	#FFFFFF	#000000	##FFFFFF
##664B19	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C13

Deuteranopia (green-blind)

#5C521B

Tritanopia (blue-blind)

#6F4341

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #664b19;
/* rgb */ color: rgb(102, 75, 25);
/* oklch */ color: oklch(43.2% 0.075 79.5);

Tailwind

colors: {
  custom: {
    50: '#957d59',
    500: '#664b19',
    950: '#000000',
  },
}

SCSS

$custom: #664b19;
$custom-light: #957d59;
$custom-dark: #000000;

JSON

{
  "hex": "#664b19",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 25
  },
  "hsl": {
    "h": 38.961,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.43175,
    "c": 0.07503,
    "h": 79.5
  },
  "luminance": 0.07927
}

Semantic roles & 50–950 ramp

primary

#664B19

secondary

#3F609C

accent

#7CE444

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #664B19

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

Preview Lab → · Contrast checker → · Palette generator →