#A0271A#A0271A

#A0271A is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.7% C 0.159 H 30.2°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#A0271A
RGB	rgb(160, 39, 26)
HSL	hsl(6, 72%, 36%)
HSV	hsv(6, 84%, 63%)
CMYK	cmyk(0%, 75.6%, 83.8%, 37.3%)
CIE-LAB	lab(35.99, 48.56, 37.73)
CIE-LCH	lch(35.99, 61.50, 37.84°)
OKLab	oklab(46.68% 0.1377 0.0801)
OKLCH	oklch(46.68% 0.159 30.2)
XYZ	xyz(15.4110, 9.0016, 1.9031)
Luminance	0.0900 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0271A #1A93A0

analogous

#A01A50 #A0271A #A06A1A

triadic

#A0271A #1AA027 #271AA0

tetradic

#A0271A #50A01A #1A93A0 #6A1AA0

square

#A0271A #50A01A #1A93A0 #6A1AA0

split-complementary

#A0271A #1AA06A #1A50A0

monochromatic

#370D09 #6B1A11 #A0271A #D53423 #E36052

Accessibility & contrast

On white

7.50

#A0271A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#A0271A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0271A

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0271A	#FFFFFF	#000000	##FFFFFF
##A0271A	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4417

Deuteranopia (green-blind)

#6A5E13

Tritanopia (blue-blind)

#B10025

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a0271a;
/* rgb */ color: rgb(160, 39, 26);
/* oklch */ color: oklch(46.7% 0.159 30.2);

Tailwind

colors: {
  custom: {
    50: '#c56b58',
    500: '#a0271a',
    950: '#000000',
  },
}

SCSS

$custom: #a0271a;
$custom-light: #c56b58;
$custom-dark: #000000;

JSON

{
  "hex": "#a0271a",
  "rgb": {
    "r": 160,
    "g": 39,
    "b": 26
  },
  "hsl": {
    "h": 5.821,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46681,
    "c": 0.15933,
    "h": 30.2
  },
  "luminance": 0.08999
}

Semantic roles & 50–950 ramp

primary

#A0271A

secondary

#50BAC5

accent

#DDEF39

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A0271A

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

Preview Lab → · Contrast checker → · Palette generator →