#A3633B#A3633B

#A3633B is a mid, moderate orange. Relative luminance 0.170; OKLCH L 56.2% C 0.099 H 51.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#A3633B
RGB	rgb(163, 99, 59)
HSL	hsl(23, 47%, 44%)
HSV	hsv(23, 64%, 64%)
CMYK	cmyk(0%, 39.3%, 63.8%, 36.1%)
CIE-LAB	lab(48.30, 22.02, 33.29)
CIE-LCH	lch(48.30, 39.91, 56.52°)
OKLab	oklab(56.25% 0.0619 0.0779)
OKLCH	oklch(56.25% 0.099 51.5)
XYZ	xyz(20.3570, 17.0279, 6.3514)
Luminance	0.1703 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3633B #3B7BA3

analogous

#A33B47 #A3633B #A3973B

triadic

#A3633B #3BA363 #633BA3

tetradic

#A3633B #47A33B #3B7BA3 #973BA3

square

#A3633B #47A33B #3B7BA3 #973BA3

split-complementary

#A3633B #3BA397 #3B47A3

monochromatic

#492C1A #76482B #A3633B #C38158 #D3A385

Accessibility & contrast

On white

4.77

#A3633B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#A3633B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3633B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3633B	#FFFFFF	#000000	##FFFFFF
##A3633B	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756A37

Deuteranopia (green-blind)

#84783B

Tritanopia (blue-blind)

#B2565A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #a3633b;
/* rgb */ color: rgb(163, 99, 59);
/* oklch */ color: oklch(56.2% 0.099 51.5);

Tailwind

colors: {
  custom: {
    50: '#c29072',
    500: '#a3633b',
    950: '#000000',
  },
}

SCSS

$custom: #a3633b;
$custom-light: #c29072;
$custom-dark: #000000;

JSON

{
  "hex": "#a3633b",
  "rgb": {
    "r": 163,
    "g": 99,
    "b": 59
  },
  "hsl": {
    "h": 23.077,
    "s": 46.847,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56246,
    "c": 0.09949,
    "h": 51.5
  },
  "luminance": 0.17026
}

Semantic roles & 50–950 ramp

primary

#A3633B

secondary

#7DA4BD

accent

#A3D651

background

#FCF8F6

surface

#F8F0EC

border

#D1CBC7

text

#130C08

muted

#827D7B

Preview Lab

Preview with #A3633B

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

Preview Lab → · Contrast checker → · Palette generator →