#663E15#663E15

#663E15 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.3% C 0.078 H 62.6°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX#663E15
RGBrgb(102, 62, 21)
HSLhsl(30, 66%, 24%)
HSVhsv(30, 79%, 40%)
CMYKcmyk(0%, 39.2%, 79.4%, 60%)
CIE-LABlab(30.22, 13.69, 31.28)
CIE-LCHlch(30.22, 34.14, 66.36°)
OKLaboklab(40.35% 0.0359 0.0693)
OKLCHoklch(40.35% 0.078 62.6)
XYZxyz(7.3381, 6.3249, 1.5437)
Luminance0.0632 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663E15 #153D66
analogous
#661515 #663E15 #666615
triadic
#663E15 #15663E #3E1566
tetradic
#663E15 #156615 #153D66 #661566
square
#663E15 #156615 #153D66 #661566
split-complementary
#663E15 #156666 #151566
monochromatic
#190F05 #331F0B #663E15 #995D1F #CC7C2A

Accessibility & contrast

On white

9.27
#663E15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#663E15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E15
9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663E15#FFFFFF#000000##FFFFFF
##663E151.009.272.269.27
#FFFFFF9.271.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4210
Deuteranopia (green-blind)
#544B16
Tritanopia (blue-blind)
#703535
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #663e15;
/* rgb */ color: rgb(102, 62, 21);
/* oklch */ color: oklch(40.3% 0.078 62.6);
Tailwind
colors: {
  custom: {
    50: '#967355',
    500: '#663e15',
    950: '#000000',
  },
}
SCSS
$custom: #663e15;
$custom-light: #967355;
$custom-dark: #000000;
JSON
{
  "hex": "#663e15",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 21
  },
  "hsl": {
    "h": 30.37,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.40347,
    "c": 0.07802,
    "h": 62.6
  },
  "luminance": 0.06324
}

Semantic roles & 50–950 ramp

primary
#663E15
secondary
#3A6B9D
accent
#93E93F
background
#F9F7F5
surface
#F2EDE9
border
#CCC8C5
text
#0E0803
muted
#7E7B78

Preview Lab

Preview with #663E15

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

Preview Lab → · Contrast checker → · Palette generator →

#663E15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva