#663813#663813

#663813 is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.1% C 0.082 H 55.6°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#663813
RGB	rgb(102, 56, 19)
HSL	hsl(27, 69%, 24%)
HSV	hsv(27, 81%, 40%)
CMYK	cmyk(0%, 45.1%, 81.4%, 60%)
CIE-LAB	lab(28.64, 17.27, 30.72)
CIE-LCH	lch(28.64, 35.24, 60.66°)
OKLab	oklab(39.13% 0.0463 0.0675)
OKLCH	oklch(39.13% 0.082 55.6)
XYZ	xyz(7.0118, 5.7009, 1.3471)
Luminance	0.0570 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663813 #134166

analogous

#661317 #663813 #666113

triadic

#663813 #136638 #381366

tetradic

#663813 #176613 #134166 #611366

square

#663813 #176613 #134166 #611366

split-complementary

#663813 #136661 #131766

monochromatic

#1A0E05 #321C09 #663813 #9A541D #CD7126

Accessibility & contrast

On white

9.81

#663813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#663813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663813

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663813	#FFFFFF	#000000	##FFFFFF
##663813	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D0E

Deuteranopia (green-blind)

#514813

Tritanopia (blue-blind)

#702E30

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #663813;
/* rgb */ color: rgb(102, 56, 19);
/* oklch */ color: oklch(39.1% 0.082 55.6);

Tailwind

colors: {
  custom: {
    50: '#966f53',
    500: '#663813',
    950: '#000000',
  },
}

SCSS

$custom: #663813;
$custom-light: #966f53;
$custom-dark: #000000;

JSON

{
  "hex": "#663813",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 19
  },
  "hsl": {
    "h": 26.747,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.39126,
    "c": 0.08185,
    "h": 55.6
  },
  "luminance": 0.057
}

Semantic roles & 50–950 ramp

primary

#663813

secondary

#37709D

accent

#9DEB3C

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663813

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

Preview Lab → · Contrast checker → · Palette generator →