#A81F3D#A81F3D

#A81F3D is a mid, vivid red. Relative luminance 0.096; OKLCH L 48.0% C 0.171 H 15.1°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#A81F3D
RGB	rgb(168, 31, 61)
HSL	hsl(347, 69%, 39%)
HSV	hsv(347, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 63.7%, 34.1%)
CIE-LAB	lab(37.20, 55.06, 18.44)
CIE-LCH	lch(37.20, 58.07, 18.52°)
OKLab	oklab(48.02% 0.1649 0.0446)
OKLCH	oklch(48.02% 0.171 15.1)
XYZ	xyz(17.4826, 9.6444, 5.3550)
Luminance	0.0964 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F3D #1FA88A

analogous

#A81F82 #A81F3D #A8461F

triadic

#A81F3D #3DA81F #1F3DA8

tetradic

#A81F3D #82A81F #1FA88A #461FA8

square

#A81F3D #82A81F #1FA88A #461FA8

split-complementary

#A81F3D #1FA846 #1F82A8

monochromatic

#410C17 #74152A #A81F3D #D82C52 #E2607C

Accessibility & contrast

On white

7.17

#A81F3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A81F3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F3D

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F3D	#FFFFFF	#000000	##FFFFFF
##A81F3D	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48453D

Deuteranopia (green-blind)

#6A6239

Tritanopia (blue-blind)

#B9002C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81f3d;
/* rgb */ color: rgb(168, 31, 61);
/* oklch */ color: oklch(48.0% 0.171 15.1);

Tailwind

colors: {
  custom: {
    50: '#c96a72',
    500: '#a81f3d',
    950: '#000000',
  },
}

SCSS

$custom: #a81f3d;
$custom-light: #c96a72;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f3d",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 61
  },
  "hsl": {
    "h": 346.861,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48023,
    "c": 0.17087,
    "h": 15.1
  },
  "luminance": 0.09642
}

Semantic roles & 50–950 ramp

primary

#A81F3D

secondary

#5DC6AF

accent

#ECC53C

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A81F3D

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

Preview Lab → · Contrast checker → · Palette generator →