#A81C3E#A81C3E

#A81C3E is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.173 H 14.2°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A81C3E
RGB	rgb(168, 28, 62)
HSL	hsl(345, 71%, 38%)
HSV	hsv(345, 83%, 66%)
CMYK	cmyk(0%, 83.3%, 63.1%, 34.1%)
CIE-LAB	lab(36.94, 55.90, 17.46)
CIE-LCH	lch(36.94, 58.57, 17.35°)
OKLab	oklab(47.84% 0.1679 0.0425)
OKLCH	oklch(47.84% 0.173 14.2)
XYZ	xyz(17.4351, 9.5058, 5.4733)
Luminance	0.0950 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81C3E #1CA886

analogous

#A81C84 #A81C3E #A8401C

triadic

#A81C3E #3EA81C #1C3EA8

tetradic

#A81C3E #84A81C #1CA886 #401CA8

square

#A81C3E #84A81C #1CA886 #401CA8

split-complementary

#A81C3E #1CA840 #1C84A8

monochromatic

#3F0B17 #74132B #A81C3E #DB2652 #E45B7C

Accessibility & contrast

On white

7.24

#A81C3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A81C3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81C3E

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81C3E	#FFFFFF	#000000	##FFFFFF
##A81C3E	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46453E

Deuteranopia (green-blind)

#6A613A

Tritanopia (blue-blind)

#B8002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81c3e;
/* rgb */ color: rgb(168, 28, 62);
/* oklch */ color: oklch(47.8% 0.173 14.2);

Tailwind

colors: {
  custom: {
    50: '#c96972',
    500: '#a81c3e',
    950: '#000000',
  },
}

SCSS

$custom: #a81c3e;
$custom-light: #c96972;
$custom-dark: #000000;

JSON

{
  "hex": "#a81c3e",
  "rgb": {
    "r": 168,
    "g": 28,
    "b": 62
  },
  "hsl": {
    "h": 345.429,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4784,
    "c": 0.17315,
    "h": 14.2
  },
  "luminance": 0.09503
}

Semantic roles & 50–950 ramp

primary

#A81C3E

secondary

#58C7AC

accent

#EEC23A

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150708

muted

#837A7B

Preview Lab

Preview with #A81C3E

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

Preview Lab → · Contrast checker → · Palette generator →