#663D1A#663D1A

#663D1A is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.2% C 0.075 H 58.5°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#663D1A
RGB	rgb(102, 61, 26)
HSL	hsl(28, 59%, 25%)
HSV	hsv(28, 75%, 40%)
CMYK	cmyk(0%, 40.2%, 74.5%, 60%)
CIE-LAB	lab(30.00, 14.58, 28.42)
CIE-LCH	lch(30.00, 31.94, 62.83°)
OKLab	oklab(40.2% 0.0394 0.0643)
OKLCH	oklch(40.2% 0.075 58.5)
XYZ	xyz(7.3353, 6.2376, 1.7947)
Luminance	0.0624 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D1A #1A4366

analogous

#661A1D #663D1A #66631A

triadic

#663D1A #1A663D #3D1A66

tetradic

#663D1A #1D661A #1A4366 #631A66

square

#663D1A #1D661A #1A4366 #631A66

split-complementary

#663D1A #1A6663 #1A1D66

monochromatic

#180F06 #35200E #663D1A #975A26 #C87733

Accessibility & contrast

On white

9.34

#663D1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#663D1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D1A

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D1A	#FFFFFF	#000000	##FFFFFF
##663D1A	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494116

Deuteranopia (green-blind)

#534A1A

Tritanopia (blue-blind)

#703435

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d1a;
/* rgb */ color: rgb(102, 61, 26);
/* oklch */ color: oklch(40.2% 0.075 58.5);

Tailwind

colors: {
  custom: {
    50: '#967258',
    500: '#663d1a',
    950: '#000000',
  },
}

SCSS

$custom: #663d1a;
$custom-light: #967258;
$custom-dark: #000000;

JSON

{
  "hex": "#663d1a",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 26
  },
  "hsl": {
    "h": 27.632,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.40198,
    "c": 0.07541,
    "h": 58.5
  },
  "luminance": 0.06237
}

Semantic roles & 50–950 ramp

primary

#663D1A

secondary

#40729C

accent

#9AE345

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663D1A

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

Preview Lab → · Contrast checker → · Palette generator →