#A3603D#A3603D

#A3603D is a mid, moderate orange. Relative luminance 0.165; OKLCH L 55.7% C 0.100 H 47.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#A3603D
RGB	rgb(163, 96, 61)
HSL	hsl(21, 46%, 44%)
HSV	hsv(21, 63%, 64%)
CMYK	cmyk(0%, 41.1%, 62.6%, 36.1%)
CIE-LAB	lab(47.61, 23.85, 31.36)
CIE-LCH	lch(47.61, 39.40, 52.75°)
OKLab	oklab(55.73% 0.0678 0.0739)
OKLCH	oklch(55.73% 0.1 47.5)
XYZ	xyz(20.1309, 16.4912, 6.5369)
Luminance	0.1649 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3603D #3D80A3

analogous

#A33D4D #A3603D #A3933D

triadic

#A3603D #3DA360 #603DA3

tetradic

#A3603D #4DA33D #3D80A3 #933DA3

square

#A3603D #4DA33D #3D80A3 #933DA3

split-complementary

#A3603D #3DA393 #3D4DA3

monochromatic

#4A2C1C #76462C #A3603D #C27F5B #D2A288

Accessibility & contrast

On white

4.89

#A3603D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#A3603D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3603D

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3603D	#FFFFFF	#000000	##FFFFFF
##A3603D	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72683A

Deuteranopia (green-blind)

#82773C

Tritanopia (blue-blind)

#B25358

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #a3603d;
/* rgb */ color: rgb(163, 96, 61);
/* oklch */ color: oklch(55.7% 0.100 47.5);

Tailwind

colors: {
  custom: {
    50: '#c28e73',
    500: '#a3603d',
    950: '#000000',
  },
}

SCSS

$custom: #a3603d;
$custom-light: #c28e73;
$custom-dark: #000000;

JSON

{
  "hex": "#a3603d",
  "rgb": {
    "r": 163,
    "g": 96,
    "b": 61
  },
  "hsl": {
    "h": 20.588,
    "s": 45.536,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55729,
    "c": 0.10028,
    "h": 47.5
  },
  "luminance": 0.16489
}

Semantic roles & 50–950 ramp

primary

#A3603D

secondary

#7FA8BD

accent

#A8D553

background

#FCF8F7

surface

#F8F0ED

border

#D1CBC8

text

#130C08

muted

#827D7B

Preview Lab

Preview with #A3603D

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

Preview Lab → · Contrast checker → · Palette generator →