#A0271D#A0271D

#A0271D is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.7% C 0.159 H 29.3°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#A0271D
RGB	rgb(160, 39, 29)
HSL	hsl(5, 69%, 37%)
HSV	hsv(5, 82%, 63%)
CMYK	cmyk(0%, 75.6%, 81.9%, 37.3%)
CIE-LAB	lab(36.01, 48.65, 36.14)
CIE-LCH	lch(36.01, 60.61, 36.60°)
OKLab	oklab(46.71% 0.1386 0.0777)
OKLCH	oklch(46.71% 0.159 29.3)
XYZ	xyz(15.4464, 9.0158, 2.0891)
Luminance	0.0901 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0271D #1D96A0

analogous

#A01D55 #A0271D #A0691D

triadic

#A0271D #1DA027 #271DA0

tetradic

#A0271D #55A01D #1D96A0 #691DA0

square

#A0271D #55A01D #1D96A0 #691DA0

split-complementary

#A0271D #1DA069 #1D55A0

monochromatic

#380E0A #6C1A14 #A0271D #D43426 #E16157

Accessibility & contrast

On white

7.49

#A0271D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#A0271D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0271D

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0271D	#FFFFFF	#000000	##FFFFFF
##A0271D	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441A

Deuteranopia (green-blind)

#6A5E17

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a0271d;
/* rgb */ color: rgb(160, 39, 29);
/* oklch */ color: oklch(46.7% 0.159 29.3);

Tailwind

colors: {
  custom: {
    50: '#c56b5a',
    500: '#a0271d',
    950: '#000000',
  },
}

SCSS

$custom: #a0271d;
$custom-light: #c56b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#a0271d",
  "rgb": {
    "r": 160,
    "g": 39,
    "b": 29
  },
  "hsl": {
    "h": 4.58,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4671,
    "c": 0.1589,
    "h": 29.3
  },
  "luminance": 0.09013
}

Semantic roles & 50–950 ramp

primary

#A0271D

secondary

#55BCC4

accent

#DFEC3C

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A0271D

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

Preview Lab → · Contrast checker → · Palette generator →