#663E10#663E10

#663E10 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.3% C 0.081 H 64.7°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#663E10
RGB	rgb(102, 62, 16)
HSL	hsl(32, 73%, 23%)
HSV	hsv(32, 84%, 40%)
CMYK	cmyk(0%, 39.2%, 84.3%, 60%)
CIE-LAB	lab(30.18, 13.46, 33.63)
CIE-LCH	lch(30.18, 36.22, 68.19°)
OKLab	oklab(40.3% 0.0345 0.073)
OKLCH	oklch(40.3% 0.081 64.7)
XYZ	xyz(7.2962, 6.3082, 1.3235)
Luminance	0.0631 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E10 #103866

analogous

#661310 #663E10 #636610

triadic

#663E10 #10663E #3E1066

tetradic

#663E10 #106613 #103866 #661063

square

#663E10 #106613 #103866 #661063

split-complementary

#663E10 #106366 #131066

monochromatic

#1A1004 #311E08 #663E10 #9B5E18 #D07E21

Accessibility & contrast

On white

9.29

#663E10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#663E10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E10

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E10	#FFFFFF	#000000	##FFFFFF
##663E10	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4109

Deuteranopia (green-blind)

#544B11

Tritanopia (blue-blind)

#703535

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663e10;
/* rgb */ color: rgb(102, 62, 16);
/* oklch */ color: oklch(40.3% 0.081 64.7);

Tailwind

colors: {
  custom: {
    50: '#967352',
    500: '#663e10',
    950: '#000000',
  },
}

SCSS

$custom: #663e10;
$custom-light: #967352;
$custom-dark: #000000;

JSON

{
  "hex": "#663e10",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 16
  },
  "hsl": {
    "h": 32.093,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.40303,
    "c": 0.08071,
    "h": 64.7
  },
  "luminance": 0.06307
}

Semantic roles & 50–950 ramp

primary

#663E10

secondary

#33659E

accent

#8EF038

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #663E10

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

Preview Lab → · Contrast checker → · Palette generator →