#A0511B#A0511B

#A0511B is a mid, vivid orange. Relative luminance 0.134; OKLCH L 52.3% C 0.123 H 50.4°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#A0511B
RGB	rgb(160, 81, 27)
HSL	hsl(24, 71%, 37%)
HSV	hsv(24, 83%, 63%)
CMYK	cmyk(0%, 49.4%, 83.1%, 37.3%)
CIE-LAB	lab(43.42, 29.09, 44.11)
CIE-LCH	lch(43.42, 52.84, 56.60°)
OKLab	oklab(52.31% 0.0783 0.0946)
OKLCH	oklch(52.31% 0.123 50.4)
XYZ	xyz(17.6392, 13.4397, 2.7019)
Luminance	0.1344 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0511B #1B6AA0

analogous

#A01B28 #A0511B #A0941B

triadic

#A0511B #1BA051 #511BA0

tetradic

#A0511B #28A01B #1B6AA0 #941BA0

square

#A0511B #28A01B #1B6AA0 #941BA0

split-complementary

#A0511B #1BA094 #1B28A0

monochromatic

#371C09 #6C3612 #A0511B #D46C24 #E28D53

Accessibility & contrast

On white

5.69

#A0511B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#A0511B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0511B

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0511B	#FFFFFF	#000000	##FFFFFF
##A0511B	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685C12

Deuteranopia (green-blind)

#7B6D19

Tritanopia (blue-blind)

#B04046

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #a0511b;
/* rgb */ color: rgb(160, 81, 27);
/* oklch */ color: oklch(52.3% 0.123 50.4);

Tailwind

colors: {
  custom: {
    50: '#c3835c',
    500: '#a0511b',
    950: '#000000',
  },
}

SCSS

$custom: #a0511b;
$custom-light: #c3835c;
$custom-dark: #000000;

JSON

{
  "hex": "#a0511b",
  "rgb": {
    "r": 160,
    "g": 81,
    "b": 27
  },
  "hsl": {
    "h": 24.361,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52305,
    "c": 0.12276,
    "h": 50.4
  },
  "luminance": 0.13438
}

Semantic roles & 50–950 ramp

primary

#A0511B

secondary

#5296C5

accent

#A5EE3A

background

#FCF8F5

surface

#F9EFE9

border

#D2CAC5

text

#140B04

muted

#827C79

Preview Lab

Preview with #A0511B

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

Preview Lab → · Contrast checker → · Palette generator →