#663310#663310

#663310 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 38.1% C 0.086 H 51.0°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#663310
RGB	rgb(102, 51, 16)
HSL	hsl(24, 73%, 23%)
HSV	hsv(24, 84%, 40%)
CMYK	cmyk(0%, 50%, 84.3%, 60%)
CIE-LAB	lab(27.38, 20.14, 30.99)
CIE-LCH	lch(27.38, 36.96, 56.98°)
OKLab	oklab(38.15% 0.0544 0.0673)
OKLCH	oklch(38.15% 0.086 51)
XYZ	xyz(6.7575, 5.2306, 1.1439)
Luminance	0.0523 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663310 #104366

analogous

#661018 #663310 #665E10

triadic

#663310 #106633 #331066

tetradic

#663310 #186610 #104366 #5E1066

square

#663310 #186610 #104366 #5E1066

split-complementary

#663310 #10665E #101866

monochromatic

#1A0D04 #311908 #663310 #9B4D18 #D06821

Accessibility & contrast

On white

10.26

#663310 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#663310 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663310

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663310	#FFFFFF	#000000	##FFFFFF
##663310	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A0B

Deuteranopia (green-blind)

#4E450F

Tritanopia (blue-blind)

#70282C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #663310;
/* rgb */ color: rgb(102, 51, 16);
/* oklch */ color: oklch(38.1% 0.086 51.0);

Tailwind

colors: {
  custom: {
    50: '#976b51',
    500: '#663310',
    950: '#000000',
  },
}

SCSS

$custom: #663310;
$custom-light: #976b51;
$custom-dark: #000000;

JSON

{
  "hex": "#663310",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 16
  },
  "hsl": {
    "h": 24.419,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.38147,
    "c": 0.08649,
    "h": 51
  },
  "luminance": 0.0523
}

Semantic roles & 50–950 ramp

primary

#663310

secondary

#33739E

accent

#A5F038

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0602

muted

#7E7A78

Preview Lab

Preview with #663310

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

Preview Lab → · Contrast checker → · Palette generator →