#A0531B#A0531B

#A0531B is a mid, vivid orange. Relative luminance 0.137; OKLCH L 52.6% C 0.121 H 51.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#A0531B
RGB	rgb(160, 83, 27)
HSL	hsl(25, 71%, 37%)
HSV	hsv(25, 83%, 63%)
CMYK	cmyk(0%, 48.1%, 83.1%, 37.3%)
CIE-LAB	lab(43.86, 28.00, 44.51)
CIE-LCH	lch(43.86, 52.58, 57.83°)
OKLab	oklab(52.64% 0.075 0.0954)
OKLCH	oklch(52.64% 0.121 51.8)
XYZ	xyz(17.7900, 13.7413, 2.7522)
Luminance	0.1374 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0531B #1B68A0

analogous

#A01B26 #A0531B #A0961B

triadic

#A0531B #1BA053 #531BA0

tetradic

#A0531B #26A01B #1B68A0 #961BA0

square

#A0531B #26A01B #1B68A0 #961BA0

split-complementary

#A0531B #1BA096 #1B26A0

monochromatic

#371D09 #6C3812 #A0531B #D46E24 #E28F53

Accessibility & contrast

On white

5.60

#A0531B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#A0531B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0531B

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0531B	#FFFFFF	#000000	##FFFFFF
##A0531B	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695D12

Deuteranopia (green-blind)

#7C6E1A

Tritanopia (blue-blind)

#B04248

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #a0531b;
/* rgb */ color: rgb(160, 83, 27);
/* oklch */ color: oklch(52.6% 0.121 51.8);

Tailwind

colors: {
  custom: {
    50: '#c3845c',
    500: '#a0531b',
    950: '#000000',
  },
}

SCSS

$custom: #a0531b;
$custom-light: #c3845c;
$custom-dark: #000000;

JSON

{
  "hex": "#a0531b",
  "rgb": {
    "r": 160,
    "g": 83,
    "b": 27
  },
  "hsl": {
    "h": 25.263,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52643,
    "c": 0.1214,
    "h": 51.8
  },
  "luminance": 0.13739
}

Semantic roles & 50–950 ramp

primary

#A0531B

secondary

#5294C5

accent

#A2EE3A

background

#FCF8F5

surface

#F9EFE9

border

#D2CAC5

text

#140B04

muted

#827C79

Preview Lab

Preview with #A0531B

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

Preview Lab → · Contrast checker → · Palette generator →