#A81E36#A81E36

#A81E36 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.172 H 18.1°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#A81E36
RGB	rgb(168, 30, 54)
HSL	hsl(350, 70%, 39%)
HSV	hsv(350, 82%, 66%)
CMYK	cmyk(0%, 82.1%, 67.9%, 34.1%)
CIE-LAB	lab(36.97, 54.93, 22.61)
CIE-LCH	lch(36.97, 59.40, 22.37°)
OKLab	oklab(47.81% 0.163 0.0533)
OKLCH	oklch(47.81% 0.172 18.1)
XYZ	xyz(17.2805, 9.5224, 4.4174)
Luminance	0.0952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81E36 #1EA890

analogous

#A81E7B #A81E36 #A84B1E

triadic

#A81E36 #36A81E #1E36A8

tetradic

#A81E36 #7BA81E #1EA890 #4B1EA8

square

#A81E36 #7BA81E #1EA890 #4B1EA8

split-complementary

#A81E36 #1EA84B #1E7BA8

monochromatic

#400B15 #741525 #A81E36 #D92A49 #E25E75

Accessibility & contrast

On white

7.23

#A81E36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A81E36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81E36

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81E36	#FFFFFF	#000000	##FFFFFF
##A81E36	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494536

Deuteranopia (green-blind)

#6B6132

Tritanopia (blue-blind)

#B90029

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81e36;
/* rgb */ color: rgb(168, 30, 54);
/* oklch */ color: oklch(47.8% 0.172 18.1);

Tailwind

colors: {
  custom: {
    50: '#ca696c',
    500: '#a81e36',
    950: '#000000',
  },
}

SCSS

$custom: #a81e36;
$custom-light: #ca696c;
$custom-dark: #000000;

JSON

{
  "hex": "#a81e36",
  "rgb": {
    "r": 168,
    "g": 30,
    "b": 54
  },
  "hsl": {
    "h": 349.565,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47814,
    "c": 0.17152,
    "h": 18.1
  },
  "luminance": 0.0952
}

Semantic roles & 50–950 ramp

primary

#A81E36

secondary

#5BC7B4

accent

#EDCE3B

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150707

muted

#837A7A

Preview Lab

Preview with #A81E36

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

Preview Lab → · Contrast checker → · Palette generator →