#663B20#663B20

#663B20 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.073 H 51.4°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#663B20
RGB	rgb(102, 59, 32)
HSL	hsl(23, 52%, 26%)
HSV	hsv(23, 69%, 40%)
CMYK	cmyk(0%, 42.2%, 68.6%, 60%)
CIE-LAB	lab(29.56, 16.21, 24.48)
CIE-LCH	lch(29.56, 29.36, 56.49°)
OKLab	oklab(39.88% 0.0454 0.0569)
OKLCH	oklch(39.88% 0.073 51.4)
XYZ	xyz(7.3047, 6.0577, 2.1508)
Luminance	0.0606 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663B20 #204B66

analogous

#662028 #663B20 #665E20

triadic

#663B20 #20663B #3B2066

tetradic

#663B20 #286620 #204B66 #5E2066

square

#663B20 #286620 #204B66 #5E2066

split-complementary

#663B20 #20665E #202866

monochromatic

#170D07 #372011 #663B20 #95562F #C2713E

Accessibility & contrast

On white

9.50

#663B20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#663B20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663B20

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663B20	#FFFFFF	#000000	##FFFFFF
##663B20	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47401D

Deuteranopia (green-blind)

#514920

Tritanopia (blue-blind)

#703235

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #663b20;
/* rgb */ color: rgb(102, 59, 32);
/* oklch */ color: oklch(39.9% 0.073 51.4);

Tailwind

colors: {
  custom: {
    50: '#95715c',
    500: '#663b20',
    950: '#000000',
  },
}

SCSS

$custom: #663b20;
$custom-light: #95715c;
$custom-dark: #000000;

JSON

{
  "hex": "#663b20",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 32
  },
  "hsl": {
    "h": 23.143,
    "s": 52.239,
    "l": 26.275
  },
  "oklch": {
    "l": 0.39877,
    "c": 0.07276,
    "h": 51.4
  },
  "luminance": 0.06057
}

Semantic roles & 50–950 ramp

primary

#663B20

secondary

#487A9A

accent

#A4DC4C

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #663B20

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

Preview Lab → · Contrast checker → · Palette generator →