#663D16#663D16

#663D16 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.2% C 0.078 H 60.7°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#663D16
RGB	rgb(102, 61, 22)
HSL	hsl(29, 65%, 24%)
HSV	hsv(29, 78%, 40%)
CMYK	cmyk(0%, 40.2%, 78.4%, 60%)
CIE-LAB	lab(29.96, 14.36, 30.51)
CIE-LCH	lch(29.96, 33.72, 64.80°)
OKLab	oklab(40.15% 0.0381 0.0678)
OKLCH	oklch(40.15% 0.078 60.7)
XYZ	xyz(7.2936, 6.2209, 1.5755)
Luminance	0.0622 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D16 #163F66

analogous

#661617 #663D16 #666516

triadic

#663D16 #16663D #3D1666

tetradic

#663D16 #176616 #163F66 #651666

square

#663D16 #176616 #163F66 #651666

split-complementary

#663D16 #166665 #161766

monochromatic

#190F05 #341F0B #663D16 #985B21 #CB792C

Accessibility & contrast

On white

9.36

#663D16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#663D16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D16

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D16	#FFFFFF	#000000	##FFFFFF
##663D16	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4111

Deuteranopia (green-blind)

#534A16

Tritanopia (blue-blind)

#703435

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d16;
/* rgb */ color: rgb(102, 61, 22);
/* oklch */ color: oklch(40.2% 0.078 60.7);

Tailwind

colors: {
  custom: {
    50: '#967256',
    500: '#663d16',
    950: '#000000',
  },
}

SCSS

$custom: #663d16;
$custom-light: #967256;
$custom-dark: #000000;

JSON

{
  "hex": "#663d16",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 22
  },
  "hsl": {
    "h": 29.25,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.40153,
    "c": 0.07781,
    "h": 60.7
  },
  "luminance": 0.0622
}

Semantic roles & 50–950 ramp

primary

#663D16

secondary

#3B6D9D

accent

#96E840

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663D16

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

Preview Lab → · Contrast checker → · Palette generator →