#663313#663313

#663313 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 38.2% C 0.085 H 49.6°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#663313
RGB	rgb(102, 51, 19)
HSL	hsl(23, 69%, 24%)
HSV	hsv(23, 81%, 40%)
CMYK	cmyk(0%, 50%, 81.4%, 60%)
CIE-LAB	lab(27.41, 20.27, 29.48)
CIE-LCH	lch(27.41, 35.78, 55.48°)
OKLab	oklab(38.18% 0.0553 0.0649)
OKLCH	oklch(38.18% 0.085 49.6)
XYZ	xyz(6.7815, 5.2402, 1.2703)
Luminance	0.0524 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663313 #134666

analogous

#66131C #663313 #665C13

triadic

#663313 #136633 #331366

tetradic

#663313 #1C6613 #134666 #5C1366

square

#663313 #1C6613 #134666 #5C1366

split-complementary

#663313 #13665C #131C66

monochromatic

#1A0D05 #321909 #663313 #9A4D1D #CD6726

Accessibility & contrast

On white

10.25

#663313 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#663313 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663313

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663313	#FFFFFF	#000000	##FFFFFF
##663313	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A0F

Deuteranopia (green-blind)

#4E4512

Tritanopia (blue-blind)

#70282C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #663313;
/* rgb */ color: rgb(102, 51, 19);
/* oklch */ color: oklch(38.2% 0.085 49.6);

Tailwind

colors: {
  custom: {
    50: '#976b53',
    500: '#663313',
    950: '#000000',
  },
}

SCSS

$custom: #663313;
$custom-light: #976b53;
$custom-dark: #000000;

JSON

{
  "hex": "#663313",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 19
  },
  "hsl": {
    "h": 23.133,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.38176,
    "c": 0.08524,
    "h": 49.6
  },
  "luminance": 0.05239
}

Semantic roles & 50–950 ramp

primary

#663313

secondary

#37769D

accent

#A8EB3C

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #663313

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

Preview Lab → · Contrast checker → · Palette generator →