#A66B31#A66B31

#A66B31 is a mid, moderate orange. Relative luminance 0.188; OKLCH L 58.0% C 0.105 H 62.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#A66B31
RGB	rgb(166, 107, 49)
HSL	hsl(30, 54%, 42%)
HSV	hsv(30, 70%, 65%)
CMYK	cmyk(0%, 35.5%, 70.5%, 34.9%)
CIE-LAB	lab(50.51, 18.17, 41.15)
CIE-LCH	lch(50.51, 44.98, 66.17°)
OKLab	oklab(58% 0.0486 0.0932)
OKLCH	oklch(58% 0.105 62.5)
XYZ	xyz(21.5396, 18.8461, 5.4084)
Luminance	0.1884 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66B31 #316CA6

analogous

#A63131 #A66B31 #A6A631

triadic

#A66B31 #31A66B #6B31A6

tetradic

#A66B31 #31A631 #316CA6 #A631A6

square

#A66B31 #31A631 #316CA6 #A631A6

split-complementary

#A66B31 #31A6A6 #3131A6

monochromatic

#472E15 #774D23 #A66B31 #CA8A4A #D8A87A

Accessibility & contrast

On white

4.40

#A66B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#A66B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66B31

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66B31	#FFFFFF	#000000	##000000
##A66B31	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D702B

Deuteranopia (green-blind)

#8B7E32

Tritanopia (blue-blind)

#B55E5E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #a66b31;
/* rgb */ color: rgb(166, 107, 49);
/* oklch */ color: oklch(58.0% 0.105 62.5);

Tailwind

colors: {
  custom: {
    50: '#c5956c',
    500: '#a66b31',
    950: '#000000',
  },
}

SCSS

$custom: #a66b31;
$custom-light: #c5956c;
$custom-dark: #000000;

JSON

{
  "hex": "#a66b31",
  "rgb": {
    "r": 166,
    "g": 107,
    "b": 49
  },
  "hsl": {
    "h": 29.744,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.58004,
    "c": 0.10505,
    "h": 62.5
  },
  "luminance": 0.18844
}

Semantic roles & 50–950 ramp

primary

#A66B31

secondary

#739AC0

accent

#95DE4A

background

#FCF9F6

surface

#F9F1EB

border

#D2CBC6

text

#140D07

muted

#827E7A

Preview Lab

Preview with #A66B31

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

Preview Lab → · Contrast checker → · Palette generator →