#A3663F#A3663F

#A3663F is a mid, moderate orange. Relative luminance 0.176; OKLCH L 56.9% C 0.095 H 52.3°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#A3663F
RGB	rgb(163, 102, 63)
HSL	hsl(23, 44%, 44%)
HSV	hsv(23, 61%, 64%)
CMYK	cmyk(0%, 37.4%, 61.3%, 36.1%)
CIE-LAB	lab(49.07, 20.62, 32.01)
CIE-LCH	lch(49.07, 38.07, 57.21°)
OKLab	oklab(56.86% 0.0584 0.0755)
OKLCH	oklch(56.86% 0.095 52.3)
XYZ	xyz(20.7543, 17.6501, 7.0154)
Luminance	0.1765 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3663F #3F7CA3

analogous

#A33F4A #A3663F #A3983F

triadic

#A3663F #3FA366 #663FA3

tetradic

#A3663F #4AA33F #3F7CA3 #983FA3

square

#A3663F #4AA33F #3F7CA3 #983FA3

split-complementary

#A3663F #3FA398 #3F4AA3

monochromatic

#4B2F1D #774A2E #A3663F #C1855E #D2A68A

Accessibility & contrast

On white

4.64

#A3663F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#A3663F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A3663F

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3663F	#FFFFFF	#000000	##FFFFFF
##A3663F	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776C3C

Deuteranopia (green-blind)

#867A3F

Tritanopia (blue-blind)

#B15A5D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #a3663f;
/* rgb */ color: rgb(163, 102, 63);
/* oklch */ color: oklch(56.9% 0.095 52.3);

Tailwind

colors: {
  custom: {
    50: '#c29275',
    500: '#a3663f',
    950: '#000000',
  },
}

SCSS

$custom: #a3663f;
$custom-light: #c29275;
$custom-dark: #000000;

JSON

{
  "hex": "#a3663f",
  "rgb": {
    "r": 163,
    "g": 102,
    "b": 63
  },
  "hsl": {
    "h": 23.4,
    "s": 44.248,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56861,
    "c": 0.09545,
    "h": 52.3
  },
  "luminance": 0.17648
}

Semantic roles & 50–950 ramp

primary

#A3663F

secondary

#81A5BD

accent

#A2D454

background

#FCF9F7

surface

#F8F1ED

border

#D1CBC8

text

#130D08

muted

#827E7B

Preview Lab

Preview with #A3663F

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

Preview Lab → · Contrast checker → · Palette generator →