#663A10#663A10

#663A10 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.5% C 0.082 H 59.5°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#663A10
RGB	rgb(102, 58, 16)
HSL	hsl(29, 73%, 23%)
HSV	hsv(29, 84%, 40%)
CMYK	cmyk(0%, 43.1%, 84.3%, 60%)
CIE-LAB	lab(29.13, 15.92, 32.65)
CIE-LCH	lch(29.13, 36.32, 64.01°)
OKLab	oklab(39.49% 0.0418 0.0709)
OKLCH	oklch(39.49% 0.082 59.5)
XYZ	xyz(7.0867, 5.8891, 1.2536)
Luminance	0.0589 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663A10 #103C66

analogous

#661011 #663A10 #666510

triadic

#663A10 #10663A #3A1066

tetradic

#663A10 #116610 #103C66 #651066

square

#663A10 #116610 #103C66 #651066

split-complementary

#663A10 #106665 #101166

monochromatic

#1A0F04 #311C08 #663A10 #9B5818 #D07621

Accessibility & contrast

On white

9.64

#663A10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#663A10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663A10

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663A10	#FFFFFF	#000000	##FFFFFF
##663A10	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F0A

Deuteranopia (green-blind)

#524910

Tritanopia (blue-blind)

#703032

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #663a10;
/* rgb */ color: rgb(102, 58, 16);
/* oklch */ color: oklch(39.5% 0.082 59.5);

Tailwind

colors: {
  custom: {
    50: '#967052',
    500: '#663a10',
    950: '#000000',
  },
}

SCSS

$custom: #663a10;
$custom-light: #967052;
$custom-dark: #000000;

JSON

{
  "hex": "#663a10",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 16
  },
  "hsl": {
    "h": 29.302,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.39493,
    "c": 0.08224,
    "h": 59.5
  },
  "luminance": 0.05888
}

Semantic roles & 50–950 ramp

primary

#663A10

secondary

#336A9E

accent

#96F038

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663A10

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

Preview Lab → · Contrast checker → · Palette generator →