#663B19#663B19

#663B19 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.8% C 0.077 H 56.3°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#663B19
RGB	rgb(102, 59, 25)
HSL	hsl(26, 61%, 25%)
HSV	hsv(26, 75%, 40%)
CMYK	cmyk(0%, 42.2%, 75.5%, 60%)
CIE-LAB	lab(29.47, 15.75, 28.39)
CIE-LCH	lch(29.47, 32.47, 60.98°)
OKLab	oklab(39.78% 0.0428 0.064)
OKLCH	oklch(39.78% 0.077 56.3)
XYZ	xyz(7.2195, 6.0236, 1.7020)
Luminance	0.0602 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663B19 #194466

analogous

#66191D #663B19 #666219

triadic

#663B19 #19663B #3B1966

tetradic

#663B19 #1D6619 #194466 #621966

square

#663B19 #1D6619 #194466 #621966

split-complementary

#663B19 #196662 #191D66

monochromatic

#190E06 #351F0D #663B19 #975725 #C87431

Accessibility & contrast

On white

9.53

#663B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#663B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663B19

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663B19	#FFFFFF	#000000	##FFFFFF
##663B19	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484015

Deuteranopia (green-blind)

#524919

Tritanopia (blue-blind)

#703234

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #663b19;
/* rgb */ color: rgb(102, 59, 25);
/* oklch */ color: oklch(39.8% 0.077 56.3);

Tailwind

colors: {
  custom: {
    50: '#967157',
    500: '#663b19',
    950: '#000000',
  },
}

SCSS

$custom: #663b19;
$custom-light: #967157;
$custom-dark: #000000;

JSON

{
  "hex": "#663b19",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 25
  },
  "hsl": {
    "h": 26.494,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.39783,
    "c": 0.07697,
    "h": 56.3
  },
  "luminance": 0.06023
}

Semantic roles & 50–950 ramp

primary

#663B19

secondary

#3F739C

accent

#9DE444

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #663B19

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

Preview Lab → · Contrast checker → · Palette generator →