#A81F22#A81F22

#A81F22 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.172 H 25.9°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#A81F22
RGB	rgb(168, 31, 34)
HSL	hsl(359, 69%, 39%)
HSV	hsv(359, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 79.8%, 34.1%)
CIE-LAB	lab(36.79, 53.79, 34.62)
CIE-LCH	lch(36.79, 63.97, 32.76°)
OKLab	oklab(47.59% 0.1549 0.0753)
OKLCH	oklch(47.59% 0.172 25.9)
XYZ	xyz(16.9292, 9.4230, 2.4405)
Luminance	0.0942 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F22 #1FA8A5

analogous

#A81F67 #A81F22 #A8611F

triadic

#A81F22 #22A81F #1F22A8

tetradic

#A81F22 #67A81F #1FA8A5 #611FA8

square

#A81F22 #67A81F #1FA8A5 #611FA8

split-complementary

#A81F22 #1FA861 #1F67A8

monochromatic

#410C0D #741518 #A81F22 #D82C30 #E26063

Accessibility & contrast

On white

7.28

#A81F22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A81F22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F22

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F22	#FFFFFF	#000000	##FFFFFF
##A81F22	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4420

Deuteranopia (green-blind)

#6D611C

Tritanopia (blue-blind)

#B90022

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81f22;
/* rgb */ color: rgb(168, 31, 34);
/* oklch */ color: oklch(47.6% 0.172 25.9);

Tailwind

colors: {
  custom: {
    50: '#cb695e',
    500: '#a81f22',
    950: '#000000',
  },
}

SCSS

$custom: #a81f22;
$custom-light: #cb695e;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f22",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 34
  },
  "hsl": {
    "h": 358.686,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47588,
    "c": 0.17222,
    "h": 25.9
  },
  "luminance": 0.0942
}

Semantic roles & 50–950 ramp

primary

#A81F22

secondary

#5DC6C4

accent

#ECE83C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A81F22

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

Preview Lab → · Contrast checker → · Palette generator →