#A66A31#A66A31

#A66A31 is a mid, moderate orange. Relative luminance 0.186; OKLCH L 57.8% C 0.105 H 61.5°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#A66A31
RGB	rgb(166, 106, 49)
HSL	hsl(29, 54%, 42%)
HSV	hsv(29, 70%, 65%)
CMYK	cmyk(0%, 36.1%, 70.5%, 34.9%)
CIE-LAB	lab(50.26, 18.74, 40.88)
CIE-LCH	lch(50.26, 44.97, 65.38°)
OKLab	oklab(57.81% 0.0503 0.0926)
OKLCH	oklch(57.81% 0.105 61.5)
XYZ	xyz(21.4359, 18.6388, 5.3739)
Luminance	0.1864 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66A31 #316DA6

analogous

#A63132 #A66A31 #A6A531

triadic

#A66A31 #31A66A #6A31A6

tetradic

#A66A31 #32A631 #316DA6 #A531A6

square

#A66A31 #32A631 #316DA6 #A531A6

split-complementary

#A66A31 #31A6A5 #3132A6

monochromatic

#472E15 #774C23 #A66A31 #CA884A #D8A77A

Accessibility & contrast

On white

4.44

#A66A31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#A66A31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66A31

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66A31	#FFFFFF	#000000	##000000
##A66A31	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D6F2B

Deuteranopia (green-blind)

#8B7D32

Tritanopia (blue-blind)

#B55D5E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #a66a31;
/* rgb */ color: rgb(166, 106, 49);
/* oklch */ color: oklch(57.8% 0.105 61.5);

Tailwind

colors: {
  custom: {
    50: '#c5946c',
    500: '#a66a31',
    950: '#000000',
  },
}

SCSS

$custom: #a66a31;
$custom-light: #c5946c;
$custom-dark: #000000;

JSON

{
  "hex": "#a66a31",
  "rgb": {
    "r": 166,
    "g": 106,
    "b": 49
  },
  "hsl": {
    "h": 29.231,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.57814,
    "c": 0.10534,
    "h": 61.5
  },
  "luminance": 0.18637
}

Semantic roles & 50–950 ramp

primary

#A66A31

secondary

#739AC0

accent

#96DE4A

background

#FCF9F6

surface

#F9F1EB

border

#D2CBC6

text

#140D07

muted

#827E7A

Preview Lab

Preview with #A66A31

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

Preview Lab → · Contrast checker → · Palette generator →