#663511#663511

#663511 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 38.5% C 0.085 H 52.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#663511
RGB	rgb(102, 53, 17)
HSL	hsl(25, 71%, 23%)
HSV	hsv(25, 83%, 40%)
CMYK	cmyk(0%, 48%, 83.3%, 60%)
CIE-LAB	lab(27.88, 18.99, 30.97)
CIE-LCH	lch(27.88, 36.33, 58.49°)
OKLab	oklab(38.53% 0.0511 0.0675)
OKLCH	oklch(38.53% 0.085 52.9)
XYZ	xyz(6.8544, 5.4122, 1.2139)
Luminance	0.0541 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663511 #114266

analogous

#661117 #663511 #665F11

triadic

#663511 #116635 #351166

tetradic

#663511 #176611 #114266 #5F1166

square

#663511 #176611 #114266 #5F1166

split-complementary

#663511 #11665F #111766

monochromatic

#1A0E04 #321A08 #663511 #9A501A #CF6C22

Accessibility & contrast

On white

10.09

#663511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#663511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663511

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663511	#FFFFFF	#000000	##FFFFFF
##663511	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B0C

Deuteranopia (green-blind)

#4F4610

Tritanopia (blue-blind)

#702A2E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #663511;
/* rgb */ color: rgb(102, 53, 17);
/* oklch */ color: oklch(38.5% 0.085 52.9);

Tailwind

colors: {
  custom: {
    50: '#976d52',
    500: '#663511',
    950: '#000000',
  },
}

SCSS

$custom: #663511;
$custom-light: #976d52;
$custom-dark: #000000;

JSON

{
  "hex": "#663511",
  "rgb": {
    "r": 102,
    "g": 53,
    "b": 17
  },
  "hsl": {
    "h": 25.412,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.38531,
    "c": 0.08466,
    "h": 52.9
  },
  "luminance": 0.05411
}

Semantic roles & 50–950 ramp

primary

#663511

secondary

#35719E

accent

#A2EE3A

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663511

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

Preview Lab → · Contrast checker → · Palette generator →