#66451C#66451C

#66451C is a dark, moderate orange. Relative luminance 0.072; OKLCH L 41.9% C 0.072 H 69.3°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX#66451C
RGBrgb(102, 69, 28)
HSLhsl(33, 57%, 25%)
HSVhsv(33, 73%, 40%)
CMYKcmyk(0%, 32.4%, 72.5%, 60%)
CIE-LABlab(32.18, 9.77, 29.69)
CIE-LCHlch(32.18, 31.26, 71.79°)
OKLaboklab(41.9% 0.0255 0.0674)
OKLCHoklch(41.9% 0.072 69.3)
XYZxyz(7.8177, 7.1655, 2.0697)
Luminance0.0717 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66451C #1C3D66
analogous
#66201C #66451C #62661C
triadic
#66451C #1C6645 #451C66
tetradic
#66451C #1C6620 #1C3D66 #661C62
square
#66451C #1C6620 #1C3D66 #661C62
split-complementary
#66451C #1C6266 #201C66
monochromatic
#181007 #36250F #66451C #966529 #C68636

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##66451C#FFFFFF#000000##FFFFFF
##66451C1.008.632.438.63
#FFFFFF8.631.0021.001.00
#0000002.4321.001.0021.00
##FFFFFF8.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504717
Deuteranopia (green-blind)
#584F1D
Tritanopia (blue-blind)
#6F3D3C
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #66451c;
/* rgb */ color: rgb(102, 69, 28);
/* oklch */ color: oklch(41.9% 0.072 69.3);
Tailwind
colors: {
  custom: {
    50: '#95785a',
    500: '#66451c',
    950: '#000000',
  },
}
SCSS
$custom: #66451c;
$custom-light: #95785a;
$custom-dark: #000000;
JSON
{
  "hex": "#66451c",
  "rgb": {
    "r": 102,
    "g": 69,
    "b": 28
  },
  "hsl": {
    "h": 33.243,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.41895,
    "c": 0.07206,
    "h": 69.3
  },
  "luminance": 0.07165
}

Semantic roles & 50–950 ramp

primary
#66451C
secondary
#436A9B
accent
#8CE048
background
#F9F7F5
surface
#F2EDE9
border
#CCC8C5
text
#0E0904
muted
#7E7B79

Preview Lab

Preview with #66451C

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

Preview Lab → · Contrast checker → · Palette generator →

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