#A66B1F#A66B1F

#A66B1F is a mid, moderate orange. Relative luminance 0.187; OKLCH L 57.8% C 0.115 H 67.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#A66B1F
RGBrgb(166, 107, 31)
HSLhsl(34, 69%, 39%)
HSVhsv(34, 81%, 65%)
CMYKcmyk(0%, 35.5%, 81.3%, 34.9%)
CIE-LABlab(50.36, 17.34, 49.11)
CIE-LCHlch(50.36, 52.08, 70.55°)
OKLaboklab(57.85% 0.0436 0.1061)
OKLCHoklch(57.85% 0.115 67.7)
XYZxyz(21.2326, 18.7234, 3.7918)
Luminance0.1872 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66B1F #1F5AA6
analogous
#A6271F #A66B1F #9DA61F
triadic
#A66B1F #1FA66B #6B1FA6
tetradic
#A66B1F #1FA627 #1F5AA6 #A61F9D
square
#A66B1F #1FA627 #1F5AA6 #A61F9D
split-complementary
#A66B1F #1F9DA6 #271FA6
monochromatic
#3F290C #724A15 #A66B1F #D78C2B #E1A85E

Accessibility & contrast

On white

4.43
#A66B1F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#A66B1F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66B1F
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66B1F#FFFFFF#000000##000000
##A66B1F1.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E7012
Deuteranopia (green-blind)
#8C7D21
Tritanopia (blue-blind)
#B65D5C
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #a66b1f;
/* rgb */ color: rgb(166, 107, 31);
/* oklch */ color: oklch(57.8% 0.115 67.7);
Tailwind
colors: {
  custom: {
    50: '#c69561',
    500: '#a66b1f',
    950: '#000000',
  },
}
SCSS
$custom: #a66b1f;
$custom-light: #c69561;
$custom-dark: #000000;
JSON
{
  "hex": "#a66b1f",
  "rgb": {
    "r": 166,
    "g": 107,
    "b": 31
  },
  "hsl": {
    "h": 33.778,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.57845,
    "c": 0.11474,
    "h": 67.7
  },
  "luminance": 0.18721
}

Semantic roles & 50–950 ramp

primary
#A66B1F
secondary
#5B8AC5
accent
#89EB3C
background
#FCF9F5
surface
#F9F1EA
border
#D2CBC6
text
#140D05
muted
#827E79

Preview Lab

Preview with #A66B1F

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

Preview Lab → · Contrast checker → · Palette generator →

#A66B1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva