#A81D36#A81D36

#A81D36 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.172 H 17.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A81D36
RGB	rgb(168, 29, 54)
HSL	hsl(349, 71%, 39%)
HSV	hsv(349, 83%, 66%)
CMYK	cmyk(0%, 82.7%, 67.9%, 34.1%)
CIE-LAB	lab(36.88, 55.19, 22.49)
CIE-LCH	lch(36.88, 59.60, 22.17°)
OKLab	oklab(47.75% 0.1639 0.0531)
OKLCH	oklch(47.75% 0.172 17.9)
XYZ	xyz(17.2556, 9.4726, 4.4091)
Luminance	0.0947 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81D36 #1DA88F

analogous

#A81D7B #A81D36 #A84A1D

triadic

#A81D36 #36A81D #1D36A8

tetradic

#A81D36 #7BA81D #1DA88F #4A1DA8

square

#A81D36 #7BA81D #1DA88F #4A1DA8

split-complementary

#A81D36 #1DA84A #1D7BA8

monochromatic

#400B14 #741425 #A81D36 #DA2848 #E35C75

Accessibility & contrast

On white

7.26

#A81D36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81D36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81D36

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81D36	#FFFFFF	#000000	##FFFFFF
##A81D36	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)

#484436

Deuteranopia (green-blind)

#6B6132

Tritanopia (blue-blind)

#B90028

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81d36;
/* rgb */ color: rgb(168, 29, 54);
/* oklch */ color: oklch(47.7% 0.172 17.9);

Tailwind

colors: {
  custom: {
    50: '#ca696c',
    500: '#a81d36',
    950: '#000000',
  },
}

SCSS

$custom: #a81d36;
$custom-light: #ca696c;
$custom-dark: #000000;

JSON

{
  "hex": "#a81d36",
  "rgb": {
    "r": 168,
    "g": 29,
    "b": 54
  },
  "hsl": {
    "h": 349.209,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47746,
    "c": 0.17225,
    "h": 17.9
  },
  "luminance": 0.0947
}

Semantic roles & 50–950 ramp

primary

#A81D36

secondary

#5AC7B3

accent

#EDCD3A

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150707

muted

#837A7A

Preview Lab

Preview with #A81D36

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

Preview Lab → · Contrast checker → · Palette generator →