#A66B23#A66B23

#A66B23 is a mid, moderate orange. Relative luminance 0.187; OKLCH L 57.9% C 0.113 H 66.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#A66B23
RGB	rgb(166, 107, 35)
HSL	hsl(33, 65%, 39%)
HSV	hsv(33, 79%, 65%)
CMYK	cmyk(0%, 35.5%, 78.9%, 34.9%)
CIE-LAB	lab(50.39, 17.49, 47.50)
CIE-LCH	lch(50.39, 50.62, 69.78°)
OKLab	oklab(57.87% 0.0445 0.1037)
OKLCH	oklch(57.87% 0.113 66.8)
XYZ	xyz(21.2886, 18.7458, 4.0869)
Luminance	0.1874 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66B23 #235EA6

analogous

#A62A23 #A66B23 #A0A623

triadic

#A66B23 #23A66B #6B23A6

tetradic

#A66B23 #23A62A #235EA6 #A623A0

square

#A66B23 #23A62A #235EA6 #A623A0

split-complementary

#A66B23 #23A0A6 #2A23A6

monochromatic

#412A0E #734A18 #A66B23 #D48B32 #DFA865

Accessibility & contrast

On white

4.42

#A66B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#A66B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66B23

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66B23	#FFFFFF	#000000	##000000
##A66B23	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7018

Deuteranopia (green-blind)

#8C7D25

Tritanopia (blue-blind)

#B55D5D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #a66b23;
/* rgb */ color: rgb(166, 107, 35);
/* oklch */ color: oklch(57.9% 0.113 66.8);

Tailwind

colors: {
  custom: {
    50: '#c69563',
    500: '#a66b23',
    950: '#000000',
  },
}

SCSS

$custom: #a66b23;
$custom-light: #c69563;
$custom-dark: #000000;

JSON

{
  "hex": "#a66b23",
  "rgb": {
    "r": 166,
    "g": 107,
    "b": 35
  },
  "hsl": {
    "h": 32.977,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.57874,
    "c": 0.11284,
    "h": 66.8
  },
  "luminance": 0.18744
}

Semantic roles & 50–950 ramp

primary

#A66B23

secondary

#618DC4

accent

#8CE840

background

#FCF9F6

surface

#F9F1EB

border

#D2CBC6

text

#140D06

muted

#827E7A

Preview Lab

Preview with #A66B23

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

Preview Lab → · Contrast checker → · Palette generator →