#A66B28#A66B28

#A66B28 is a mid, moderate orange. Relative luminance 0.188; OKLCH L 57.9% C 0.110 H 65.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#A66B28
RGB	rgb(166, 107, 40)
HSL	hsl(32, 61%, 40%)
HSV	hsv(32, 76%, 65%)
CMYK	cmyk(0%, 35.5%, 75.9%, 34.9%)
CIE-LAB	lab(50.43, 17.71, 45.35)
CIE-LCH	lch(50.43, 48.68, 68.67°)
OKLab	oklab(57.92% 0.0459 0.1003)
OKLCH	oklch(57.92% 0.11 65.4)
XYZ	xyz(21.3682, 18.7776, 4.5062)
Luminance	0.1878 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66B28 #2863A6

analogous

#A62C28 #A66B28 #A2A628

triadic

#A66B28 #28A66B #6B28A6

tetradic

#A66B28 #28A62C #2863A6 #A628A2

square

#A66B28 #28A62C #2863A6 #A628A2

split-complementary

#A66B28 #28A2A6 #2C28A6

monochromatic

#432B10 #754B1C #A66B28 #D08A3B #DCA86D

Accessibility & contrast

On white

4.42

#A66B28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#A66B28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66B28

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66B28	#FFFFFF	#000000	##000000
##A66B28	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E701F

Deuteranopia (green-blind)

#8C7D29

Tritanopia (blue-blind)

#B55D5D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #a66b28;
/* rgb */ color: rgb(166, 107, 40);
/* oklch */ color: oklch(57.9% 0.110 65.4);

Tailwind

colors: {
  custom: {
    50: '#c59566',
    500: '#a66b28',
    950: '#000000',
  },
}

SCSS

$custom: #a66b28;
$custom-light: #c59566;
$custom-dark: #000000;

JSON

{
  "hex": "#a66b28",
  "rgb": {
    "r": 166,
    "g": 107,
    "b": 40
  },
  "hsl": {
    "h": 31.905,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.57915,
    "c": 0.11025,
    "h": 65.4
  },
  "luminance": 0.18776
}

Semantic roles & 50–950 ramp

primary

#A66B28

secondary

#6792C2

accent

#8FE444

background

#FCF9F6

surface

#F9F1EB

border

#D2CBC6

text

#140D06

muted

#827E7A

Preview Lab

Preview with #A66B28

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

Preview Lab → · Contrast checker → · Palette generator →