#663D11#663D11

#663D11 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.081 H 63.0°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#663D11
RGB	rgb(102, 61, 17)
HSL	hsl(31, 71%, 23%)
HSV	hsv(31, 83%, 40%)
CMYK	cmyk(0%, 40.2%, 83.3%, 60%)
CIE-LAB	lab(29.92, 14.12, 32.93)
CIE-LCH	lch(29.92, 35.83, 66.80°)
OKLab	oklab(40.11% 0.0366 0.0717)
OKLCH	oklch(40.11% 0.081 63)
XYZ	xyz(7.2500, 6.2035, 1.3458)
Luminance	0.0620 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D11 #113A66

analogous

#661211 #663D11 #646611

triadic

#663D11 #11663D #3D1166

tetradic

#663D11 #116612 #113A66 #661164

square

#663D11 #116612 #113A66 #661164

split-complementary

#663D11 #116466 #121166

monochromatic

#1A1004 #321E08 #663D11 #9A5C1A #CF7C22

Accessibility & contrast

On white

9.37

#663D11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#663D11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D11

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D11	#FFFFFF	#000000	##FFFFFF
##663D11	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A410A

Deuteranopia (green-blind)

#544A12

Tritanopia (blue-blind)

#703434

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #663d11;
/* rgb */ color: rgb(102, 61, 17);
/* oklch */ color: oklch(40.1% 0.081 63.0);

Tailwind

colors: {
  custom: {
    50: '#967252',
    500: '#663d11',
    950: '#000000',
  },
}

SCSS

$custom: #663d11;
$custom-light: #967252;
$custom-dark: #000000;

JSON

{
  "hex": "#663d11",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 17
  },
  "hsl": {
    "h": 31.059,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.40106,
    "c": 0.08053,
    "h": 63
  },
  "luminance": 0.06203
}

Semantic roles & 50–950 ramp

primary

#663D11

secondary

#35689E

accent

#91EE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #663D11

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

Preview Lab → · Contrast checker → · Palette generator →