#A66D39#A66D39

#A66D39 is a mid, moderate orange. Relative luminance 0.193; OKLCH L 58.5% C 0.099 H 61.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#A66D39
RGB	rgb(166, 109, 57)
HSL	hsl(29, 49%, 44%)
HSV	hsv(29, 66%, 65%)
CMYK	cmyk(0%, 34.3%, 65.7%, 34.9%)
CIE-LAB	lab(51.08, 17.53, 37.71)
CIE-LCH	lch(51.08, 41.58, 65.06°)
OKLab	oklab(58.48% 0.0479 0.0871)
OKLCH	oklch(58.48% 0.099 61.2)
XYZ	xyz(21.9346, 19.3416, 6.4482)
Luminance	0.1934 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66D39 #3972A6

analogous

#A6393B #A66D39 #A6A339

triadic

#A66D39 #39A66D #6D39A6

tetradic

#A66D39 #3BA639 #3972A6 #A339A6

square

#A66D39 #3BA639 #3972A6 #A339A6

split-complementary

#A66D39 #39A6A3 #393BA6

monochromatic

#4B311A #784F29 #A66D39 #C58C57 #D5AB84

Accessibility & contrast

On white

4.31

#A66D39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#A66D39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66D39

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66D39	#FFFFFF	#000000	##000000
##A66D39	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7234

Deuteranopia (green-blind)

#8C7F3A

Tritanopia (blue-blind)

#B56161

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #a66d39;
/* rgb */ color: rgb(166, 109, 57);
/* oklch */ color: oklch(58.5% 0.099 61.2);

Tailwind

colors: {
  custom: {
    50: '#c49771',
    500: '#a66d39',
    950: '#000000',
  },
}

SCSS

$custom: #a66d39;
$custom-light: #c49771;
$custom-dark: #000000;

JSON

{
  "hex": "#a66d39",
  "rgb": {
    "r": 166,
    "g": 109,
    "b": 57
  },
  "hsl": {
    "h": 28.624,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5848,
    "c": 0.09939,
    "h": 61.2
  },
  "luminance": 0.1934
}

Semantic roles & 50–950 ramp

primary

#A66D39

secondary

#7C9FBF

accent

#97D84F

background

#FCF9F6

surface

#F8F2EC

border

#D1CCC7

text

#130D08

muted

#827E7B

Preview Lab

Preview with #A66D39

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

Preview Lab → · Contrast checker → · Palette generator →