#663D2A#663D2A

#663D2A is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.4% C 0.065 H 45.3°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#663D2A
RGB	rgb(102, 61, 42)
HSL	hsl(19, 42%, 28%)
HSV	hsv(19, 59%, 40%)
CMYK	cmyk(0%, 40.2%, 58.8%, 60%)
CIE-LAB	lab(30.23, 15.82, 19.21)
CIE-LCH	lch(30.23, 24.89, 50.52°)
OKLab	oklab(40.45% 0.0459 0.0464)
OKLCH	oklch(40.45% 0.065 45.3)
XYZ	xyz(7.5666, 6.3301, 3.0134)
Luminance	0.0633 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D2A #2A5366

analogous

#662A35 #663D2A #665B2A

triadic

#663D2A #2A663D #3D2A66

tetradic

#663D2A #35662A #2A5366 #5B2A66

square

#663D2A #35662A #2A5366 #5B2A66

split-complementary

#663D2A #2A665B #2A3566

monochromatic

#160D09 #3B2318 #663D2A #91573C #B87352

Accessibility & contrast

On white

9.27

#663D2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663D2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D2A

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D2A	#FFFFFF	#000000	##FFFFFF
##663D2A	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484228

Deuteranopia (green-blind)

#524B2A

Tritanopia (blue-blind)

#6F3638

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d2a;
/* rgb */ color: rgb(102, 61, 42);
/* oklch */ color: oklch(40.4% 0.065 45.3);

Tailwind

colors: {
  custom: {
    50: '#947364',
    500: '#663d2a',
    950: '#000000',
  },
}

SCSS

$custom: #663d2a;
$custom-light: #947364;
$custom-dark: #000000;

JSON

{
  "hex": "#663d2a",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 42
  },
  "hsl": {
    "h": 19,
    "s": 41.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40446,
    "c": 0.06525,
    "h": 45.3
  },
  "luminance": 0.06329
}

Semantic roles & 50–950 ramp

primary

#663D2A

secondary

#548398

accent

#AAD156

background

#F9F6F5

surface

#F2ECEA

border

#CCC7C6

text

#0E0805

muted

#7E7B79

Preview Lab

Preview with #663D2A

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

Preview Lab → · Contrast checker → · Palette generator →