#663B11#663B11

#663B11 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.7% C 0.081 H 60.4°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#663B11
RGB	rgb(102, 59, 17)
HSL	hsl(30, 71%, 23%)
HSV	hsv(30, 83%, 40%)
CMYK	cmyk(0%, 42.2%, 83.3%, 60%)
CIE-LAB	lab(29.40, 15.35, 32.43)
CIE-LCH	lch(29.40, 35.88, 64.68°)
OKLab	oklab(39.7% 0.0402 0.0707)
OKLCH	oklch(39.7% 0.081 60.4)
XYZ	xyz(7.1452, 5.9939, 1.3109)
Luminance	0.0599 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663B11 #113C66

analogous

#661111 #663B11 #666511

triadic

#663B11 #11663B #3B1166

tetradic

#663B11 #116611 #113C66 #651166

square

#663B11 #116611 #113C66 #651166

split-complementary

#663B11 #116665 #111166

monochromatic

#1A0F04 #321D08 #663B11 #9A591A #CF7822

Accessibility & contrast

On white

9.55

#663B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#663B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663B11

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663B11	#FFFFFF	#000000	##FFFFFF
##663B11	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F0B

Deuteranopia (green-blind)

#524911

Tritanopia (blue-blind)

#703133

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #663b11;
/* rgb */ color: rgb(102, 59, 17);
/* oklch */ color: oklch(39.7% 0.081 60.4);

Tailwind

colors: {
  custom: {
    50: '#967152',
    500: '#663b11',
    950: '#000000',
  },
}

SCSS

$custom: #663b11;
$custom-light: #967152;
$custom-dark: #000000;

JSON

{
  "hex": "#663b11",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 17
  },
  "hsl": {
    "h": 29.647,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.39702,
    "c": 0.08131,
    "h": 60.4
  },
  "luminance": 0.05993
}

Semantic roles & 50–950 ramp

primary

#663B11

secondary

#356A9E

accent

#95EE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663B11

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

Preview Lab → · Contrast checker → · Palette generator →