#663D10#663D10

#663D10 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.081 H 63.4°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#663D10
RGB	rgb(102, 61, 16)
HSL	hsl(31, 73%, 23%)
HSV	hsv(31, 84%, 40%)
CMYK	cmyk(0%, 40.2%, 84.3%, 60%)
CIE-LAB	lab(29.91, 14.08, 33.38)
CIE-LCH	lch(29.91, 36.23, 67.14°)
OKLab	oklab(40.1% 0.0363 0.0724)
OKLCH	oklch(40.1% 0.081 63.4)
XYZ	xyz(7.2424, 6.2004, 1.3055)
Luminance	0.0620 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D10 #103966

analogous

#661210 #663D10 #646610

triadic

#663D10 #10663D #3D1066

tetradic

#663D10 #106612 #103966 #661064

square

#663D10 #106612 #103966 #661064

split-complementary

#663D10 #106466 #121066

monochromatic

#1A1004 #311D08 #663D10 #9B5D18 #D07C21

Accessibility & contrast

On white

9.38

#663D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#663D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D10

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D10	#FFFFFF	#000000	##FFFFFF
##663D10	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4109

Deuteranopia (green-blind)

#544A11

Tritanopia (blue-blind)

#703434

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #663d10;
/* rgb */ color: rgb(102, 61, 16);
/* oklch */ color: oklch(40.1% 0.081 63.4);

Tailwind

colors: {
  custom: {
    50: '#967252',
    500: '#663d10',
    950: '#000000',
  },
}

SCSS

$custom: #663d10;
$custom-light: #967252;
$custom-dark: #000000;

JSON

{
  "hex": "#663d10",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 16
  },
  "hsl": {
    "h": 31.395,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.40098,
    "c": 0.08103,
    "h": 63.4
  },
  "luminance": 0.062
}

Semantic roles & 50–950 ramp

primary

#663D10

secondary

#33669E

accent

#90F038

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #663D10

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

Preview Lab → · Contrast checker → · Palette generator →