#663D2E#663D2E

#663D2E is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.5% C 0.063 H 40.8°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#663D2E
RGB	rgb(102, 61, 46)
HSL	hsl(16, 38%, 29%)
HSV	hsv(16, 55%, 40%)
CMYK	cmyk(0%, 40.2%, 54.9%, 60%)
CIE-LAB	lab(30.30, 16.22, 16.80)
CIE-LCH	lch(30.30, 23.35, 46.00°)
OKLab	oklab(40.53% 0.0477 0.0412)
OKLCH	oklch(40.53% 0.063 40.8)
XYZ	xyz(7.6418, 6.3602, 3.4094)
Luminance	0.0636 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D2E #2E5766

analogous

#662E3B #663D2E #66592E

triadic

#663D2E #2E663D #3D2E66

tetradic

#663D2E #3B662E #2E5766 #592E66

square

#663D2E #3B662E #2E5766 #592E66

split-complementary

#663D2E #2E6659 #2E3B66

monochromatic

#150D0A #3C241B #663D2E #905641 #B5725A

Accessibility & contrast

On white

9.24

#663D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D2E

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D2E	#FFFFFF	#000000	##FFFFFF
##663D2E	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47422D

Deuteranopia (green-blind)

#514B2E

Tritanopia (blue-blind)

#6F3639

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d2e;
/* rgb */ color: rgb(102, 61, 46);
/* oklch */ color: oklch(40.5% 0.063 40.8);

Tailwind

colors: {
  custom: {
    50: '#947367',
    500: '#663d2e',
    950: '#000000',
  },
}

SCSS

$custom: #663d2e;
$custom-light: #947367;
$custom-dark: #000000;

JSON

{
  "hex": "#663d2e",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 46
  },
  "hsl": {
    "h": 16.071,
    "s": 37.838,
    "l": 29.02
  },
  "oklch": {
    "l": 0.40526,
    "c": 0.06299,
    "h": 40.8
  },
  "luminance": 0.0636
}

Semantic roles & 50–950 ramp

primary

#663D2E

secondary

#588798

accent

#AFCE5A

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #663D2E

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

Preview Lab → · Contrast checker → · Palette generator →