#A66337#A66337

#A66337 is a mid, moderate orange. Relative luminance 0.173; OKLCH L 56.6% C 0.105 H 52.3°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#A66337
RGB	rgb(166, 99, 55)
HSL	hsl(24, 50%, 43%)
HSV	hsv(24, 67%, 65%)
CMYK	cmyk(0%, 40.4%, 66.9%, 34.9%)
CIE-LAB	lab(48.65, 23.04, 35.97)
CIE-LCH	lch(48.65, 42.72, 57.36°)
OKLab	oklab(56.59% 0.0641 0.083)
OKLCH	oklch(56.59% 0.105 52.3)
XYZ	xyz(20.8789, 17.3086, 5.8550)
Luminance	0.1731 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66337 #377AA6

analogous

#A63742 #A66337 #A69A37

triadic

#A66337 #37A663 #6337A6

tetradic

#A66337 #42A637 #377AA6 #9A37A6

square

#A66337 #42A637 #377AA6 #9A37A6

split-complementary

#A66337 #37A69A #3742A6

monochromatic

#4A2C19 #784828 #A66337 #C68154 #D6A382

Accessibility & contrast

On white

4.71

#A66337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#A66337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A66337

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66337	#FFFFFF	#000000	##FFFFFF
##A66337	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766A33

Deuteranopia (green-blind)

#867937

Tritanopia (blue-blind)

#B55559

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #a66337;
/* rgb */ color: rgb(166, 99, 55);
/* oklch */ color: oklch(56.6% 0.105 52.3);

Tailwind

colors: {
  custom: {
    50: '#c5906f',
    500: '#a66337',
    950: '#000000',
  },
}

SCSS

$custom: #a66337;
$custom-light: #c5906f;
$custom-dark: #000000;

JSON

{
  "hex": "#a66337",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 55
  },
  "hsl": {
    "h": 23.784,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56586,
    "c": 0.1049,
    "h": 52.3
  },
  "luminance": 0.17307
}

Semantic roles & 50–950 ramp

primary

#A66337

secondary

#7AA4BF

accent

#A2DA4E

background

#FCF8F6

surface

#F9F0EC

border

#D2CBC7

text

#140C07

muted

#827D7A

Preview Lab

Preview with #A66337

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

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