#A81E2D#A81E2D

#A81E2D is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.7% C 0.172 H 21.8°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#A81E2D
RGB	rgb(168, 30, 45)
HSL	hsl(353, 70%, 39%)
HSV	hsv(353, 82%, 66%)
CMYK	cmyk(0%, 82.1%, 73.2%, 34.1%)
CIE-LAB	lab(36.83, 54.49, 28.07)
CIE-LCH	lch(36.83, 61.30, 27.25°)
OKLab	oklab(47.66% 0.1596 0.064)
OKLCH	oklch(47.66% 0.172 21.8)
XYZ	xyz(17.0884, 9.4456, 3.4055)
Luminance	0.0944 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81E2D #1EA899

analogous

#A81E72 #A81E2D #A8541E

triadic

#A81E2D #2DA81E #1E2DA8

tetradic

#A81E2D #72A81E #1EA899 #541EA8

square

#A81E2D #72A81E #1EA899 #541EA8

split-complementary

#A81E2D #1EA854 #1E72A8

monochromatic

#400B11 #74151F #A81E2D #D92A3D #E25E6C

Accessibility & contrast

On white

7.27

#A81E2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81E2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81E2D

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81E2D	#FFFFFF	#000000	##FFFFFF
##A81E2D	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)

#4A442C

Deuteranopia (green-blind)

#6C6128

Tritanopia (blue-blind)

#B90025

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81e2d;
/* rgb */ color: rgb(168, 30, 45);
/* oklch */ color: oklch(47.7% 0.172 21.8);

Tailwind

colors: {
  custom: {
    50: '#ca6966',
    500: '#a81e2d',
    950: '#000000',
  },
}

SCSS

$custom: #a81e2d;
$custom-light: #ca6966;
$custom-dark: #000000;

JSON

{
  "hex": "#a81e2d",
  "rgb": {
    "r": 168,
    "g": 30,
    "b": 45
  },
  "hsl": {
    "h": 353.478,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47663,
    "c": 0.17191,
    "h": 21.8
  },
  "luminance": 0.09443
}

Semantic roles & 50–950 ramp

primary

#A81E2D

secondary

#5BC7BB

accent

#EDD93B

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A81E2D

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

Preview Lab → · Contrast checker → · Palette generator →