#663E17#663E17

#663E17 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.4% C 0.077 H 61.6°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX#663E17
RGBrgb(102, 62, 23)
HSLhsl(30, 63%, 25%)
HSVhsv(30, 77%, 40%)
CMYKcmyk(0%, 39.2%, 77.5%, 60%)
CIE-LABlab(30.24, 13.79, 30.27)
CIE-LCHlch(30.24, 33.27, 65.50°)
OKLaboklab(40.37% 0.0366 0.0676)
OKLCHoklch(40.37% 0.077 61.6)
XYZxyz(7.3573, 6.3326, 1.6453)
Luminance0.0633 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663E17 #173F66
analogous
#661718 #663E17 #666617
triadic
#663E17 #17663E #3E1766
tetradic
#663E17 #186617 #173F66 #661766
square
#663E17 #186617 #173F66 #661766
split-complementary
#663E17 #176666 #171866
monochromatic
#190F06 #34200C #663E17 #985C22 #CA7B2E

Accessibility & contrast

On white

9.27
#663E17 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.27
#663E17 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E17
9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663E17#FFFFFF#000000##FFFFFF
##663E171.009.272.279.27
#FFFFFF9.271.0021.001.00
#0000002.2721.001.0021.00
##FFFFFF9.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4212
Deuteranopia (green-blind)
#544B17
Tritanopia (blue-blind)
#703536
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #663e17;
/* rgb */ color: rgb(102, 62, 23);
/* oklch */ color: oklch(40.4% 0.077 61.6);
Tailwind
colors: {
  custom: {
    50: '#967356',
    500: '#663e17',
    950: '#000000',
  },
}
SCSS
$custom: #663e17;
$custom-light: #967356;
$custom-dark: #000000;
JSON
{
  "hex": "#663e17",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 23
  },
  "hsl": {
    "h": 29.62,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.40368,
    "c": 0.07684,
    "h": 61.6
  },
  "luminance": 0.06332
}

Semantic roles & 50–950 ramp

primary
#663E17
secondary
#3C6D9C
accent
#95E642
background
#F9F7F5
surface
#F2EDE9
border
#CCC8C5
text
#0E0803
muted
#7E7B78

Preview Lab

Preview with #663E17

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

Preview Lab → · Contrast checker → · Palette generator →

#663E17 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva