#A0281B#A0281B

#A0281B is a mid, vivid red. Relative luminance 0.091; OKLCH L 46.8% C 0.158 H 30.2°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#A0281B
RGB	rgb(160, 40, 27)
HSL	hsl(6, 71%, 37%)
HSV	hsv(6, 83%, 63%)
CMYK	cmyk(0%, 75%, 83.1%, 37.3%)
CIE-LAB	lab(36.12, 48.24, 37.33)
CIE-LCH	lch(36.12, 60.99, 37.73°)
OKLab	oklab(46.79% 0.1369 0.0796)
OKLCH	oklch(46.79% 0.158 30.2)
XYZ	xyz(15.4557, 9.0727, 1.9741)
Luminance	0.0907 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0281B #1B93A0

analogous

#A01B50 #A0281B #A06B1B

triadic

#A0281B #1BA028 #281BA0

tetradic

#A0281B #50A01B #1B93A0 #6B1BA0

square

#A0281B #50A01B #1B93A0 #6B1BA0

split-complementary

#A0281B #1BA06B #1B50A0

monochromatic

#370E09 #6C1B12 #A0281B #D43524 #E26153

Accessibility & contrast

On white

7.46

#A0281B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#A0281B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0281B

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0281B	#FFFFFF	#000000	##FFFFFF
##A0281B	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4418

Deuteranopia (green-blind)

#6A5F15

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a0281b;
/* rgb */ color: rgb(160, 40, 27);
/* oklch */ color: oklch(46.8% 0.158 30.2);

Tailwind

colors: {
  custom: {
    50: '#c56b59',
    500: '#a0281b',
    950: '#000000',
  },
}

SCSS

$custom: #a0281b;
$custom-light: #c56b59;
$custom-dark: #000000;

JSON

{
  "hex": "#a0281b",
  "rgb": {
    "r": 160,
    "g": 40,
    "b": 27
  },
  "hsl": {
    "h": 5.865,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.46786,
    "c": 0.15837,
    "h": 30.2
  },
  "luminance": 0.0907
}

Semantic roles & 50–950 ramp

primary

#A0281B

secondary

#52BAC5

accent

#DCEE3A

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A0281B

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

Preview Lab → · Contrast checker → · Palette generator →