#A81C3D#A81C3D

#A81C3D is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.173 H 14.7°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A81C3D
RGB	rgb(168, 28, 61)
HSL	hsl(346, 71%, 38%)
HSV	hsv(346, 83%, 66%)
CMYK	cmyk(0%, 83.3%, 63.7%, 34.1%)
CIE-LAB	lab(36.92, 55.84, 18.08)
CIE-LCH	lch(36.92, 58.70, 17.94°)
OKLab	oklab(47.82% 0.1675 0.0438)
OKLCH	oklch(47.82% 0.173 14.7)
XYZ	xyz(17.4079, 9.4949, 5.3301)
Luminance	0.0949 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81C3D #1CA887

analogous

#A81C83 #A81C3D #A8411C

triadic

#A81C3D #3DA81C #1C3DA8

tetradic

#A81C3D #83A81C #1CA887 #411CA8

square

#A81C3D #83A81C #1CA887 #411CA8

split-complementary

#A81C3D #1CA841 #1C83A8

monochromatic

#3F0B17 #74132A #A81C3D #DB2651 #E45B7B

Accessibility & contrast

On white

7.25

#A81C3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A81C3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81C3D

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81C3D	#FFFFFF	#000000	##FFFFFF
##A81C3D	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47443D

Deuteranopia (green-blind)

#6A6139

Tritanopia (blue-blind)

#B9002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81c3d;
/* rgb */ color: rgb(168, 28, 61);
/* oklch */ color: oklch(47.8% 0.173 14.7);

Tailwind

colors: {
  custom: {
    50: '#c96972',
    500: '#a81c3d',
    950: '#000000',
  },
}

SCSS

$custom: #a81c3d;
$custom-light: #c96972;
$custom-dark: #000000;

JSON

{
  "hex": "#a81c3d",
  "rgb": {
    "r": 168,
    "g": 28,
    "b": 61
  },
  "hsl": {
    "h": 345.857,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47819,
    "c": 0.1731,
    "h": 14.7
  },
  "luminance": 0.09492
}

Semantic roles & 50–950 ramp

primary

#A81C3D

secondary

#58C7AD

accent

#EEC43A

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A81C3D

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

Preview Lab → · Contrast checker → · Palette generator →