#A0271E#A0271E

#A0271E is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.7% C 0.159 H 29.0°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#A0271E
RGB	rgb(160, 39, 30)
HSL	hsl(4, 68%, 37%)
HSV	hsv(4, 81%, 63%)
CMYK	cmyk(0%, 75.6%, 81.3%, 37.3%)
CIE-LAB	lab(36.02, 48.69, 35.60)
CIE-LCH	lch(36.02, 60.31, 36.17°)
OKLab	oklab(46.72% 0.1389 0.0769)
OKLCH	oklch(46.72% 0.159 29)
XYZ	xyz(15.4589, 9.0208, 2.1553)
Luminance	0.0902 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0271E #1E97A0

analogous

#A01E56 #A0271E #A0681E

triadic

#A0271E #1EA027 #271EA0

tetradic

#A0271E #56A01E #1E97A0 #681EA0

square

#A0271E #56A01E #1E97A0 #681EA0

split-complementary

#A0271E #1EA068 #1E56A0

monochromatic

#390E0B #6C1A14 #A0271E #D43428 #E06259

Accessibility & contrast

On white

7.49

#A0271E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#A0271E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0271E

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0271E	#FFFFFF	#000000	##FFFFFF
##A0271E	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)

#4C441C

Deuteranopia (green-blind)

#6A5E18

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a0271e;
/* rgb */ color: rgb(160, 39, 30);
/* oklch */ color: oklch(46.7% 0.159 29.0);

Tailwind

colors: {
  custom: {
    50: '#c56b5b',
    500: '#a0271e',
    950: '#000000',
  },
}

SCSS

$custom: #a0271e;
$custom-light: #c56b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#a0271e",
  "rgb": {
    "r": 160,
    "g": 39,
    "b": 30
  },
  "hsl": {
    "h": 4.154,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46721,
    "c": 0.15875,
    "h": 29
  },
  "luminance": 0.09018
}

Semantic roles & 50–950 ramp

primary

#A0271E

secondary

#56BCC4

accent

#DFEB3D

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A0271E

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

Preview Lab → · Contrast checker → · Palette generator →