#A81E3F#A81E3F

#A81E3F is a mid, vivid red. Relative luminance 0.096; OKLCH L 48.0% C 0.172 H 14.0°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#A81E3F
RGB	rgb(168, 30, 63)
HSL	hsl(346, 70%, 39%)
HSV	hsv(346, 82%, 66%)
CMYK	cmyk(0%, 82.1%, 62.5%, 34.1%)
CIE-LAB	lab(37.14, 55.45, 17.09)
CIE-LCH	lch(37.14, 58.02, 17.13°)
OKLab	oklab(48% 0.1666 0.0417)
OKLCH	oklch(48% 0.172 14)
XYZ	xyz(17.5118, 9.6149, 5.6354)
Luminance	0.0961 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81E3F #1EA887

analogous

#A81E84 #A81E3F #A8421E

triadic

#A81E3F #3FA81E #1E3FA8

tetradic

#A81E3F #84A81E #1EA887 #421EA8

square

#A81E3F #84A81E #1EA887 #421EA8

split-complementary

#A81E3F #1EA842 #1E84A8

monochromatic

#400B18 #74152C #A81E3F #D92A54 #E25E7E

Accessibility & contrast

On white

7.19

#A81E3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A81E3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81E3F

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81E3F	#FFFFFF	#000000	##FFFFFF
##A81E3F	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453F

Deuteranopia (green-blind)

#6A613B

Tritanopia (blue-blind)

#B8002D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81e3f;
/* rgb */ color: rgb(168, 30, 63);
/* oklch */ color: oklch(48.0% 0.172 14.0);

Tailwind

colors: {
  custom: {
    50: '#c96a73',
    500: '#a81e3f',
    950: '#000000',
  },
}

SCSS

$custom: #a81e3f;
$custom-light: #c96a73;
$custom-dark: #000000;

JSON

{
  "hex": "#a81e3f",
  "rgb": {
    "r": 168,
    "g": 30,
    "b": 63
  },
  "hsl": {
    "h": 345.652,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47996,
    "c": 0.17174,
    "h": 14
  },
  "luminance": 0.09612
}

Semantic roles & 50–950 ramp

primary

#A81E3F

secondary

#5BC7AD

accent

#EDC23B

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150708

muted

#837A7B

Preview Lab

Preview with #A81E3F

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

Preview Lab → · Contrast checker → · Palette generator →