#A66F33#A66F33

#A66F33 is a mid, moderate orange. Relative luminance 0.197; OKLCH L 58.8% C 0.103 H 65.6°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#A66F33
RGB	rgb(166, 111, 51)
HSL	hsl(31, 53%, 43%)
HSV	hsv(31, 69%, 65%)
CMYK	cmyk(0%, 33.1%, 69.3%, 34.9%)
CIE-LAB	lab(51.52, 16.02, 41.25)
CIE-LCH	lch(51.52, 44.25, 68.77°)
OKLab	oklab(58.79% 0.0425 0.0937)
OKLCH	oklch(58.79% 0.103 65.6)
XYZ	xyz(22.0094, 19.7168, 5.7779)
Luminance	0.1971 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66F33 #336AA6

analogous

#A63533 #A66F33 #A4A633

triadic

#A66F33 #33A66F #6F33A6

tetradic

#A66F33 #33A635 #336AA6 #A633A4

square

#A66F33 #33A635 #336AA6 #A633A4

split-complementary

#A66F33 #33A4A6 #3533A6

monochromatic

#483016 #775025 #A66F33 #C98E4E #D7AC7C

Accessibility & contrast

On white

4.25

#A66F33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#A66F33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66F33

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66F33	#FFFFFF	#000000	##000000
##A66F33	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81732C

Deuteranopia (green-blind)

#8E8034

Tritanopia (blue-blind)

#B56262

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #a66f33;
/* rgb */ color: rgb(166, 111, 51);
/* oklch */ color: oklch(58.8% 0.103 65.6);

Tailwind

colors: {
  custom: {
    50: '#c5986d',
    500: '#a66f33',
    950: '#000000',
  },
}

SCSS

$custom: #a66f33;
$custom-light: #c5986d;
$custom-dark: #000000;

JSON

{
  "hex": "#a66f33",
  "rgb": {
    "r": 166,
    "g": 111,
    "b": 51
  },
  "hsl": {
    "h": 31.304,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.58794,
    "c": 0.10291,
    "h": 65.6
  },
  "luminance": 0.19715
}

Semantic roles & 50–950 ramp

primary

#A66F33

secondary

#7599C0

accent

#91DC4B

background

#FCF9F6

surface

#F9F2EC

border

#D2CCC7

text

#130D07

muted

#827E7A

Preview Lab

Preview with #A66F33

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

Preview Lab → · Contrast checker → · Palette generator →