#663F22#663F22

#663F22 is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.7% C 0.069 H 55.9°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#663F22
RGB	rgb(102, 63, 34)
HSL	hsl(26, 50%, 27%)
HSV	hsv(26, 67%, 40%)
CMYK	cmyk(0%, 38.2%, 66.7%, 60%)
CIE-LAB	lab(30.63, 13.90, 24.56)
CIE-LCH	lch(30.63, 28.22, 60.48°)
OKLab	oklab(40.72% 0.0388 0.0573)
OKLCH	oklch(40.72% 0.069 55.9)
XYZ	xyz(7.5463, 6.4960, 2.3695)
Luminance	0.0649 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663F22 #224966

analogous

#662227 #663F22 #666122

triadic

#663F22 #22663F #3F2266

tetradic

#663F22 #276622 #224966 #612266

square

#663F22 #276622 #224966 #612266

split-complementary

#663F22 #226661 #222766

monochromatic

#170E08 #382313 #663F22 #945B31 #C07842

Accessibility & contrast

On white

9.13

#663F22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#663F22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663F22

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663F22	#FFFFFF	#000000	##FFFFFF
##663F22	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A431F

Deuteranopia (green-blind)

#544C22

Tritanopia (blue-blind)

#6F3738

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663f22;
/* rgb */ color: rgb(102, 63, 34);
/* oklch */ color: oklch(40.7% 0.069 55.9);

Tailwind

colors: {
  custom: {
    50: '#95745e',
    500: '#663f22',
    950: '#000000',
  },
}

SCSS

$custom: #663f22;
$custom-light: #95745e;
$custom-dark: #000000;

JSON

{
  "hex": "#663f22",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 34
  },
  "hsl": {
    "h": 25.588,
    "s": 50,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40715,
    "c": 0.06923,
    "h": 55.9
  },
  "luminance": 0.06495
}

Semantic roles & 50–950 ramp

primary

#663F22

secondary

#4A789A

accent

#9EDA4E

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #663F22

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

Preview Lab → · Contrast checker → · Palette generator →