#66491B#66491B

#66491B is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.8% C 0.073 H 75.8°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX#66491B
RGBrgb(102, 73, 27)
HSLhsl(37, 58%, 25%)
HSVhsv(37, 74%, 40%)
CMYKcmyk(0%, 28.4%, 73.5%, 60%)
CIE-LABlab(33.29, 7.24, 31.40)
CIE-LCHlch(33.29, 32.23, 77.02°)
OKLaboklab(42.75% 0.0179 0.0709)
OKLCHoklch(42.75% 0.073 75.8)
XYZxyz(8.0604, 7.6696, 2.0926)
Luminance0.0767 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66491B #1B3866
analogous
#66231B #66491B #5D661B
triadic
#66491B #1B6649 #491B66
tetradic
#66491B #1B6623 #1B3866 #661B5D
square
#66491B #1B6623 #1B3866 #661B5D
split-complementary
#66491B #1B5D66 #231B66
monochromatic
#181106 #36260E #66491B #966C28 #C78E35

Accessibility & contrast

On white

8.29
#66491B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#66491B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66491B
8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66491B#FFFFFF#000000##FFFFFF
##66491B1.008.292.538.29
#FFFFFF8.291.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544A16
Deuteranopia (green-blind)
#5B511C
Tritanopia (blue-blind)
#6F413F
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #66491b;
/* rgb */ color: rgb(102, 73, 27);
/* oklch */ color: oklch(42.8% 0.073 75.8);
Tailwind
colors: {
  custom: {
    50: '#957b5a',
    500: '#66491b',
    950: '#000000',
  },
}
SCSS
$custom: #66491b;
$custom-light: #957b5a;
$custom-dark: #000000;
JSON
{
  "hex": "#66491b",
  "rgb": {
    "r": 102,
    "g": 73,
    "b": 27
  },
  "hsl": {
    "h": 36.8,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.42753,
    "c": 0.07307,
    "h": 75.8
  },
  "luminance": 0.07669
}

Semantic roles & 50–950 ramp

primary
#66491B
secondary
#41649B
accent
#82E146
background
#F9F7F5
surface
#F2EDE9
border
#CCC8C5
text
#0E0904
muted
#7E7B79

Preview Lab

Preview with #66491B

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

Preview Lab → · Contrast checker → · Palette generator →

#66491B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva