#663B12#663B12

#663B12 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.7% C 0.081 H 59.9°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#663B12
RGB	rgb(102, 59, 18)
HSL	hsl(29, 70%, 24%)
HSV	hsv(29, 82%, 40%)
CMYK	cmyk(0%, 42.2%, 82.4%, 60%)
CIE-LAB	lab(29.41, 15.39, 31.96)
CIE-LCH	lch(29.41, 35.47, 64.29°)
OKLab	oklab(39.71% 0.0405 0.0699)
OKLCH	oklch(39.71% 0.081 59.9)
XYZ	xyz(7.1532, 5.9971, 1.3530)
Luminance	0.0600 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663B12 #123D66

analogous

#661213 #663B12 #666512

triadic

#663B12 #12663B #3B1266

tetradic

#663B12 #136612 #123D66 #651266

square

#663B12 #136612 #123D66 #651266

split-complementary

#663B12 #126665 #121366

monochromatic

#1A0F05 #321D09 #663B12 #9A591B #CE7724

Accessibility & contrast

On white

9.55

#663B12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#663B12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663B12

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663B12	#FFFFFF	#000000	##FFFFFF
##663B12	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F0C

Deuteranopia (green-blind)

#524912

Tritanopia (blue-blind)

#703133

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #663b12;
/* rgb */ color: rgb(102, 59, 18);
/* oklch */ color: oklch(39.7% 0.081 59.9);

Tailwind

colors: {
  custom: {
    50: '#967153',
    500: '#663b12',
    950: '#000000',
  },
}

SCSS

$custom: #663b12;
$custom-light: #967153;
$custom-dark: #000000;

JSON

{
  "hex": "#663b12",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 18
  },
  "hsl": {
    "h": 29.286,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.3971,
    "c": 0.08081,
    "h": 59.9
  },
  "luminance": 0.05996
}

Semantic roles & 50–950 ramp

primary

#663B12

secondary

#366B9E

accent

#96ED3B

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663B12

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

Preview Lab → · Contrast checker → · Palette generator →