#A3603A#A3603A

#A3603A is a mid, moderate orange. Relative luminance 0.165; OKLCH L 55.7% C 0.102 H 49.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#A3603A
RGB	rgb(163, 96, 58)
HSL	hsl(22, 48%, 43%)
HSV	hsv(22, 64%, 64%)
CMYK	cmyk(0%, 41.1%, 64.4%, 36.1%)
CIE-LAB	lab(47.57, 23.64, 32.98)
CIE-LCH	lch(47.57, 40.58, 54.37°)
OKLab	oklab(55.68% 0.0667 0.0771)
OKLCH	oklch(55.68% 0.102 49.1)
XYZ	xyz(20.0524, 16.4598, 6.1232)
Luminance	0.1646 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3603A #3A7DA3

analogous

#A33A49 #A3603A #A3943A

triadic

#A3603A #3AA360 #603AA3

tetradic

#A3603A #49A33A #3A7DA3 #943AA3

square

#A3603A #49A33A #3A7DA3 #943AA3

split-complementary

#A3603A #3AA394 #3A49A3

monochromatic

#492B1A #76452A #A3603A #C37E57 #D3A184

Accessibility & contrast

On white

4.89

#A3603A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#A3603A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3603A

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3603A	#FFFFFF	#000000	##FFFFFF
##A3603A	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736836

Deuteranopia (green-blind)

#83773A

Tritanopia (blue-blind)

#B25357

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #a3603a;
/* rgb */ color: rgb(163, 96, 58);
/* oklch */ color: oklch(55.7% 0.102 49.1);

Tailwind

colors: {
  custom: {
    50: '#c38e71',
    500: '#a3603a',
    950: '#000000',
  },
}

SCSS

$custom: #a3603a;
$custom-light: #c38e71;
$custom-dark: #000000;

JSON

{
  "hex": "#a3603a",
  "rgb": {
    "r": 163,
    "g": 96,
    "b": 58
  },
  "hsl": {
    "h": 21.714,
    "s": 47.511,
    "l": 43.333
  },
  "oklch": {
    "l": 0.55684,
    "c": 0.1019,
    "h": 49.1
  },
  "luminance": 0.16458
}

Semantic roles & 50–950 ramp

primary

#A3603A

secondary

#7CA5BD

accent

#A6D751

background

#FCF8F6

surface

#F8F0EC

border

#D1CBC7

text

#130C08

muted

#827D7B

Preview Lab

Preview with #A3603A

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

Preview Lab → · Contrast checker → · Palette generator →