#66451D#66451D

#66451D is a dark, moderate orange. Relative luminance 0.072; OKLCH L 41.9% C 0.071 H 68.8°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX#66451D
RGBrgb(102, 69, 29)
HSLhsl(33, 56%, 26%)
HSVhsv(33, 72%, 40%)
CMYKcmyk(0%, 32.4%, 71.6%, 60%)
CIE-LABlab(32.19, 9.84, 29.17)
CIE-LCHlch(32.19, 30.78, 71.37°)
OKLaboklab(41.91% 0.0258 0.0665)
OKLCHoklch(41.91% 0.071 68.8)
XYZxyz(7.8299, 7.1704, 2.1338)
Luminance0.0717 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66451D #1D3E66
analogous
#66211D #66451D #62661D
triadic
#66451D #1D6645 #451D66
tetradic
#66451D #1D6621 #1D3E66 #661D62
square
#66451D #1D6621 #1D3E66 #661D62
split-complementary
#66451D #1D6266 #211D66
monochromatic
#181007 #36250F #66451D #96652B #C58538

Accessibility & contrast

On white

8.63
#66451D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.43
#66451D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66451D
8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66451D#FFFFFF#000000##FFFFFF
##66451D1.008.632.438.63
#FFFFFF8.631.0021.001.00
#0000002.4321.001.0021.00
##FFFFFF8.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504719
Deuteranopia (green-blind)
#584F1E
Tritanopia (blue-blind)
#6F3D3C
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #66451d;
/* rgb */ color: rgb(102, 69, 29);
/* oklch */ color: oklch(41.9% 0.071 68.8);
Tailwind
colors: {
  custom: {
    50: '#95785b',
    500: '#66451d',
    950: '#000000',
  },
}
SCSS
$custom: #66451d;
$custom-light: #95785b;
$custom-dark: #000000;
JSON
{
  "hex": "#66451d",
  "rgb": {
    "r": 102,
    "g": 69,
    "b": 29
  },
  "hsl": {
    "h": 32.877,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.41907,
    "c": 0.0713,
    "h": 68.8
  },
  "luminance": 0.0717
}

Semantic roles & 50–950 ramp

primary
#66451D
secondary
#446B9B
accent
#8DDF49
background
#F9F7F5
surface
#F2EDE9
border
#CCC8C5
text
#0E0904
muted
#7E7B79

Preview Lab

Preview with #66451D

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

Preview Lab → · Contrast checker → · Palette generator →

#66451D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva