#663610#663610

#663610 is a dark, moderate orange. Relative luminance 0.055; OKLCH L 38.7% C 0.084 H 54.5°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#663610
RGB	rgb(102, 54, 16)
HSL	hsl(27, 73%, 23%)
HSV	hsv(27, 84%, 40%)
CMYK	cmyk(0%, 47.1%, 84.3%, 60%)
CIE-LAB	lab(28.12, 18.35, 31.69)
CIE-LCH	lch(28.12, 36.62, 59.94°)
OKLab	oklab(38.71% 0.049 0.0688)
OKLCH	oklch(38.71% 0.084 54.5)
XYZ	xyz(6.8928, 5.5013, 1.1890)
Luminance	0.0550 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663610 #104066

analogous

#661015 #663610 #666110

triadic

#663610 #106636 #361066

tetradic

#663610 #156610 #104066 #611066

square

#663610 #156610 #104066 #611066

split-complementary

#663610 #106661 #101566

monochromatic

#1A0E04 #311A08 #663610 #9B5218 #D06E21

Accessibility & contrast

On white

10.00

#663610 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#663610 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663610

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663610	#FFFFFF	#000000	##FFFFFF
##663610	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C0A

Deuteranopia (green-blind)

#504710

Tritanopia (blue-blind)

#702C2E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #663610;
/* rgb */ color: rgb(102, 54, 16);
/* oklch */ color: oklch(38.7% 0.084 54.5);

Tailwind

colors: {
  custom: {
    50: '#976d51',
    500: '#663610',
    950: '#000000',
  },
}

SCSS

$custom: #663610;
$custom-light: #976d51;
$custom-dark: #000000;

JSON

{
  "hex": "#663610",
  "rgb": {
    "r": 102,
    "g": 54,
    "b": 16
  },
  "hsl": {
    "h": 26.512,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.38712,
    "c": 0.08444,
    "h": 54.5
  },
  "luminance": 0.05501
}

Semantic roles & 50–950 ramp

primary

#663610

secondary

#336F9E

accent

#9FF038

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663610

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

Preview Lab → · Contrast checker → · Palette generator →