#A81F3C#A81F3C

#A81F3C is a mid, vivid red. Relative luminance 0.096; OKLCH L 48.0% C 0.171 H 15.6°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#A81F3C
RGB	rgb(168, 31, 60)
HSL	hsl(347, 69%, 39%)
HSV	hsv(347, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 64.3%, 34.1%)
CIE-LAB	lab(37.18, 55.00, 19.05)
CIE-LCH	lch(37.18, 58.21, 19.11°)
OKLab	oklab(48% 0.1645 0.0459)
OKLCH	oklch(48% 0.171 15.6)
XYZ	xyz(17.4559, 9.6337, 5.2144)
Luminance	0.0963 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F3C #1FA88B

analogous

#A81F81 #A81F3C #A8471F

triadic

#A81F3C #3CA81F #1F3CA8

tetradic

#A81F3C #81A81F #1FA88B #471FA8

square

#A81F3C #81A81F #1FA88B #471FA8

split-complementary

#A81F3C #1FA847 #1F81A8

monochromatic

#410C17 #74152A #A81F3C #D82C51 #E2607B

Accessibility & contrast

On white

7.18

#A81F3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A81F3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F3C

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F3C	#FFFFFF	#000000	##FFFFFF
##A81F3C	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48453C

Deuteranopia (green-blind)

#6A6238

Tritanopia (blue-blind)

#B9002C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81f3c;
/* rgb */ color: rgb(168, 31, 60);
/* oklch */ color: oklch(48.0% 0.171 15.6);

Tailwind

colors: {
  custom: {
    50: '#c96a71',
    500: '#a81f3c',
    950: '#000000',
  },
}

SCSS

$custom: #a81f3c;
$custom-light: #c96a71;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f3c",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 60
  },
  "hsl": {
    "h": 347.299,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48002,
    "c": 0.17083,
    "h": 15.6
  },
  "luminance": 0.09631
}

Semantic roles & 50–950 ramp

primary

#A81F3C

secondary

#5DC6B0

accent

#ECC73C

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A81F3C

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

Preview Lab → · Contrast checker → · Palette generator →