#A3663B#A3663B

#A3663B is a mid, moderate orange. Relative luminance 0.176; OKLCH L 56.8% C 0.098 H 54.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#A3663B
RGB	rgb(163, 102, 59)
HSL	hsl(25, 47%, 44%)
HSV	hsv(25, 64%, 64%)
CMYK	cmyk(0%, 37.4%, 63.8%, 36.1%)
CIE-LAB	lab(49.02, 20.32, 34.14)
CIE-LCH	lch(49.02, 39.73, 59.23°)
OKLab	oklab(56.8% 0.0568 0.0797)
OKLCH	oklch(56.8% 0.098 54.5)
XYZ	xyz(20.6465, 17.6070, 6.4480)
Luminance	0.1761 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3663B #3B78A3

analogous

#A33B44 #A3663B #A39A3B

triadic

#A3663B #3BA366 #663BA3

tetradic

#A3663B #44A33B #3B78A3 #9A3BA3

square

#A3663B #44A33B #3B78A3 #9A3BA3

split-complementary

#A3663B #3BA39A #3B44A3

monochromatic

#492E1A #764A2B #A3663B #C38458 #D3A585

Accessibility & contrast

On white

4.64

#A3663B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#A3663B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A3663B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3663B	#FFFFFF	#000000	##FFFFFF
##A3663B	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786C37

Deuteranopia (green-blind)

#867A3B

Tritanopia (blue-blind)

#B15A5C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #a3663b;
/* rgb */ color: rgb(163, 102, 59);
/* oklch */ color: oklch(56.8% 0.098 54.5);

Tailwind

colors: {
  custom: {
    50: '#c29272',
    500: '#a3663b',
    950: '#000000',
  },
}

SCSS

$custom: #a3663b;
$custom-light: #c29272;
$custom-dark: #000000;

JSON

{
  "hex": "#a3663b",
  "rgb": {
    "r": 163,
    "g": 102,
    "b": 59
  },
  "hsl": {
    "h": 24.808,
    "s": 46.847,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56803,
    "c": 0.09791,
    "h": 54.5
  },
  "luminance": 0.17605
}

Semantic roles & 50–950 ramp

primary

#A3663B

secondary

#7DA2BD

accent

#9FD651

background

#FCF8F6

surface

#F8F0EC

border

#D1CBC7

text

#130D08

muted

#827D7B

Preview Lab

Preview with #A3663B

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

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