#663C2D#663C2D

#663C2D is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.3% C 0.064 H 40.3°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#663C2D
RGB	rgb(102, 60, 45)
HSL	hsl(16, 39%, 29%)
HSV	hsv(16, 56%, 40%)
CMYK	cmyk(0%, 41.2%, 55.9%, 60%)
CIE-LAB	lab(30.03, 16.73, 17.07)
CIE-LCH	lch(30.03, 23.90, 45.57°)
OKLab	oklab(40.31% 0.0491 0.0417)
OKLCH	oklch(40.31% 0.064 40.3)
XYZ	xyz(7.5695, 6.2466, 3.2892)
Luminance	0.0625 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663C2D #2D5766

analogous

#662D3B #663C2D #66592D

triadic

#663C2D #2D663C #3C2D66

tetradic

#663C2D #3B662D #2D5766 #592D66

square

#663C2D #3B662D #2D5766 #592D66

split-complementary

#663C2D #2D6659 #2D3B66

monochromatic

#150C09 #3C231A #663C2D #905540 #B57158

Accessibility & contrast

On white

9.34

#663C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#663C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C2D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663C2D	#FFFFFF	#000000	##FFFFFF
##663C2D	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)

#47412C

Deuteranopia (green-blind)

#514A2D

Tritanopia (blue-blind)

#6F3538

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663c2d;
/* rgb */ color: rgb(102, 60, 45);
/* oklch */ color: oklch(40.3% 0.064 40.3);

Tailwind

colors: {
  custom: {
    50: '#947266',
    500: '#663c2d',
    950: '#000000',
  },
}

SCSS

$custom: #663c2d;
$custom-light: #947266;
$custom-dark: #000000;

JSON

{
  "hex": "#663c2d",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 45
  },
  "hsl": {
    "h": 15.789,
    "s": 38.776,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40306,
    "c": 0.06442,
    "h": 40.3
  },
  "luminance": 0.06246
}

Semantic roles & 50–950 ramp

primary

#663C2D

secondary

#578798

accent

#B0CF59

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0805

muted

#7E7B7A

Preview Lab

Preview with #663C2D

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

Preview Lab → · Contrast checker → · Palette generator →