#A0281A#A0281A

#A0281A is a mid, vivid red. Relative luminance 0.091; OKLCH L 46.8% C 0.159 H 30.5°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#A0281A
RGB	rgb(160, 40, 26)
HSL	hsl(6, 72%, 36%)
HSV	hsv(6, 84%, 63%)
CMYK	cmyk(0%, 75%, 83.8%, 37.3%)
CIE-LAB	lab(36.12, 48.21, 37.85)
CIE-LCH	lch(36.12, 61.29, 38.14°)
OKLab	oklab(46.78% 0.1366 0.0804)
OKLCH	oklch(46.78% 0.159 30.5)
XYZ	xyz(15.4443, 9.0682, 1.9142)
Luminance	0.0907 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0281A #1A92A0

analogous

#A01A4F #A0281A #A06B1A

triadic

#A0281A #1AA028 #281AA0

tetradic

#A0281A #4FA01A #1A92A0 #6B1AA0

square

#A0281A #4FA01A #1A92A0 #6B1AA0

split-complementary

#A0281A #1AA06B #1A4FA0

monochromatic

#370E09 #6B1B11 #A0281A #D53523 #E36152

Accessibility & contrast

On white

7.46

#A0281A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#A0281A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0281A

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0281A	#FFFFFF	#000000	##FFFFFF
##A0281A	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)

#4D4417

Deuteranopia (green-blind)

#6A5F14

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a0281a;
/* rgb */ color: rgb(160, 40, 26);
/* oklch */ color: oklch(46.8% 0.159 30.5);

Tailwind

colors: {
  custom: {
    50: '#c56b58',
    500: '#a0281a',
    950: '#000000',
  },
}

SCSS

$custom: #a0281a;
$custom-light: #c56b58;
$custom-dark: #000000;

JSON

{
  "hex": "#a0281a",
  "rgb": {
    "r": 160,
    "g": 40,
    "b": 26
  },
  "hsl": {
    "h": 6.269,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46777,
    "c": 0.15852,
    "h": 30.5
  },
  "luminance": 0.09066
}

Semantic roles & 50–950 ramp

primary

#A0281A

secondary

#50B9C5

accent

#DCEF39

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A0281A

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

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