#A81E2C#A81E2C

#A81E2C is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.172 H 22.2°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#A81E2C
RGB	rgb(168, 30, 44)
HSL	hsl(354, 70%, 39%)
HSV	hsv(354, 82%, 66%)
CMYK	cmyk(0%, 82.1%, 73.8%, 34.1%)
CIE-LAB	lab(36.81, 54.45, 28.67)
CIE-LCH	lch(36.81, 61.53, 27.77°)
OKLab	oklab(47.65% 0.1592 0.0651)
OKLCH	oklch(47.65% 0.172 22.2)
XYZ	xyz(17.0694, 9.4380, 3.3053)
Luminance	0.0944 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81E2C #1EA89A

analogous

#A81E71 #A81E2C #A8551E

triadic

#A81E2C #2CA81E #1E2CA8

tetradic

#A81E2C #71A81E #1EA89A #551EA8

square

#A81E2C #71A81E #1EA89A #551EA8

split-complementary

#A81E2C #1EA855 #1E71A8

monochromatic

#400B11 #74151E #A81E2C #D92A3C #E25E6C

Accessibility & contrast

On white

7.27

#A81E2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81E2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81E2C

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81E2C	#FFFFFF	#000000	##FFFFFF
##A81E2C	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A442B

Deuteranopia (green-blind)

#6C6127

Tritanopia (blue-blind)

#B90025

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81e2c;
/* rgb */ color: rgb(168, 30, 44);
/* oklch */ color: oklch(47.6% 0.172 22.2);

Tailwind

colors: {
  custom: {
    50: '#cb6965',
    500: '#a81e2c',
    950: '#000000',
  },
}

SCSS

$custom: #a81e2c;
$custom-light: #cb6965;
$custom-dark: #000000;

JSON

{
  "hex": "#a81e2c",
  "rgb": {
    "r": 168,
    "g": 30,
    "b": 44
  },
  "hsl": {
    "h": 353.913,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47648,
    "c": 0.17198,
    "h": 22.2
  },
  "luminance": 0.09435
}

Semantic roles & 50–950 ramp

primary

#A81E2C

secondary

#5BC7BC

accent

#EDDB3B

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A81E2C

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

Preview Lab → · Contrast checker → · Palette generator →