#A81E2F#A81E2F

#A81E2F is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.172 H 21.0°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A81E2F
RGB	rgb(168, 30, 47)
HSL	hsl(353, 70%, 39%)
HSV	hsv(353, 82%, 66%)
CMYK	cmyk(0%, 82.1%, 72%, 34.1%)
CIE-LAB	lab(36.86, 54.58, 26.86)
CIE-LCH	lch(36.86, 60.84, 26.21°)
OKLab	oklab(47.69% 0.1603 0.0617)
OKLCH	oklch(47.69% 0.172 21)
XYZ	xyz(17.1278, 9.4613, 3.6131)
Luminance	0.0946 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81E2F #1EA897

analogous

#A81E74 #A81E2F #A8521E

triadic

#A81E2F #2FA81E #1E2FA8

tetradic

#A81E2F #74A81E #1EA897 #521EA8

square

#A81E2F #74A81E #1EA897 #521EA8

split-complementary

#A81E2F #1EA852 #1E74A8

monochromatic

#400B12 #741520 #A81E2F #D92A40 #E25E6E

Accessibility & contrast

On white

7.26

#A81E2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81E2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81E2F

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81E2F	#FFFFFF	#000000	##FFFFFF
##A81E2F	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49442E

Deuteranopia (green-blind)

#6C612A

Tritanopia (blue-blind)

#B90026

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81e2f;
/* rgb */ color: rgb(168, 30, 47);
/* oklch */ color: oklch(47.7% 0.172 21.0);

Tailwind

colors: {
  custom: {
    50: '#ca6967',
    500: '#a81e2f',
    950: '#000000',
  },
}

SCSS

$custom: #a81e2f;
$custom-light: #ca6967;
$custom-dark: #000000;

JSON

{
  "hex": "#a81e2f",
  "rgb": {
    "r": 168,
    "g": 30,
    "b": 47
  },
  "hsl": {
    "h": 352.609,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47694,
    "c": 0.17178,
    "h": 21
  },
  "luminance": 0.09459
}

Semantic roles & 50–950 ramp

primary

#A81E2F

secondary

#5BC7B9

accent

#EDD73B

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A81E2F

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

Preview Lab → · Contrast checker → · Palette generator →