#A66A28#A66A28

#A66A28 is a mid, moderate orange. Relative luminance 0.186; OKLCH L 57.7% C 0.110 H 64.5°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#A66A28
RGB	rgb(166, 106, 40)
HSL	hsl(31, 61%, 40%)
HSV	hsv(31, 76%, 65%)
CMYK	cmyk(0%, 36.1%, 75.9%, 34.9%)
CIE-LAB	lab(50.18, 18.27, 45.10)
CIE-LCH	lch(50.18, 48.66, 67.94°)
OKLab	oklab(57.73% 0.0475 0.0997)
OKLCH	oklch(57.73% 0.11 64.5)
XYZ	xyz(21.2646, 18.5703, 4.4716)
Luminance	0.1857 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66A28 #2864A6

analogous

#A62B28 #A66A28 #A3A628

triadic

#A66A28 #28A66A #6A28A6

tetradic

#A66A28 #28A62B #2864A6 #A628A3

square

#A66A28 #28A62B #2864A6 #A628A3

split-complementary

#A66A28 #28A3A6 #2B28A6

monochromatic

#432B10 #754B1C #A66A28 #D0893B #DCA76D

Accessibility & contrast

On white

4.46

#A66A28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#A66A28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66A28

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66A28	#FFFFFF	#000000	##000000
##A66A28	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D6F1F

Deuteranopia (green-blind)

#8B7D29

Tritanopia (blue-blind)

#B55C5C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #a66a28;
/* rgb */ color: rgb(166, 106, 40);
/* oklch */ color: oklch(57.7% 0.110 64.5);

Tailwind

colors: {
  custom: {
    50: '#c59466',
    500: '#a66a28',
    950: '#000000',
  },
}

SCSS

$custom: #a66a28;
$custom-light: #c59466;
$custom-dark: #000000;

JSON

{
  "hex": "#a66a28",
  "rgb": {
    "r": 166,
    "g": 106,
    "b": 40
  },
  "hsl": {
    "h": 31.429,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.57725,
    "c": 0.11048,
    "h": 64.5
  },
  "luminance": 0.18568
}

Semantic roles & 50–950 ramp

primary

#A66A28

secondary

#6793C2

accent

#90E444

background

#FCF9F6

surface

#F9F1EB

border

#D2CBC6

text

#140D06

muted

#827E7A

Preview Lab

Preview with #A66A28

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

Preview Lab → · Contrast checker → · Palette generator →