#A66B40#A66B40

#A66B40 is a mid, moderate orange. Relative luminance 0.190; OKLCH L 58.2% C 0.095 H 55.7°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#A66B40
RGB	rgb(166, 107, 64)
HSL	hsl(25, 44%, 45%)
HSV	hsv(25, 61%, 65%)
CMYK	cmyk(0%, 35.5%, 61.4%, 34.9%)
CIE-LAB	lab(50.68, 19.16, 33.49)
CIE-LCH	lch(50.68, 38.58, 60.22°)
OKLab	oklab(58.19% 0.0539 0.0788)
OKLCH	oklch(58.19% 0.095 55.7)
XYZ	xyz(21.9105, 18.9945, 7.3619)
Luminance	0.1899 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66B40 #407BA6

analogous

#A64048 #A66B40 #A69E40

triadic

#A66B40 #40A66B #6B40A6

tetradic

#A66B40 #48A640 #407BA6 #9E40A6

square

#A66B40 #48A640 #407BA6 #9E40A6

split-complementary

#A66B40 #40A69E #4048A6

monochromatic

#4E321E #7A4F2F #A66B40 #C28A61 #D3AB8D

Accessibility & contrast

On white

4.38

#A66B40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#A66B40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66B40

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66B40	#FFFFFF	#000000	##000000
##A66B40	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C713C

Deuteranopia (green-blind)

#8A7E40

Tritanopia (blue-blind)

#B45F61

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #a66b40;
/* rgb */ color: rgb(166, 107, 64);
/* oklch */ color: oklch(58.2% 0.095 55.7);

Tailwind

colors: {
  custom: {
    50: '#c49576',
    500: '#a66b40',
    950: '#000000',
  },
}

SCSS

$custom: #a66b40;
$custom-light: #c49576;
$custom-dark: #000000;

JSON

{
  "hex": "#a66b40",
  "rgb": {
    "r": 166,
    "g": 107,
    "b": 64
  },
  "hsl": {
    "h": 25.294,
    "s": 44.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.58195,
    "c": 0.09548,
    "h": 55.7
  },
  "luminance": 0.18993
}

Semantic roles & 50–950 ramp

primary

#A66B40

secondary

#84A5BE

accent

#9ED454

background

#FCF9F7

surface

#F8F1ED

border

#D1CBC8

text

#130D08

muted

#827E7B

Preview Lab

Preview with #A66B40

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

Preview Lab → · Contrast checker → · Palette generator →