#A81F27#A81F27

#A81F27 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.172 H 24.3°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#A81F27
RGB	rgb(168, 31, 39)
HSL	hsl(356, 69%, 39%)
HSV	hsv(356, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 76.8%, 34.1%)
CIE-LAB	lab(36.84, 53.97, 31.74)
CIE-LCH	lch(36.84, 62.61, 30.46°)
OKLab	oklab(47.65% 0.1565 0.0706)
OKLCH	oklch(47.65% 0.172 24.3)
XYZ	xyz(17.0067, 9.4540, 2.8484)
Luminance	0.0945 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F27 #1FA8A0

analogous

#A81F6C #A81F27 #A85C1F

triadic

#A81F27 #27A81F #1F27A8

tetradic

#A81F27 #6CA81F #1FA8A0 #5C1FA8

square

#A81F27 #6CA81F #1FA8A0 #5C1FA8

split-complementary

#A81F27 #1FA85C #1F6CA8

monochromatic

#410C0F #74151B #A81F27 #D82C36 #E26067

Accessibility & contrast

On white

7.27

#A81F27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81F27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F27

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F27	#FFFFFF	#000000	##FFFFFF
##A81F27	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4426

Deuteranopia (green-blind)

#6C6122

Tritanopia (blue-blind)

#B90024

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81f27;
/* rgb */ color: rgb(168, 31, 39);
/* oklch */ color: oklch(47.6% 0.172 24.3);

Tailwind

colors: {
  custom: {
    50: '#cb6961',
    500: '#a81f27',
    950: '#000000',
  },
}

SCSS

$custom: #a81f27;
$custom-light: #cb6961;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f27",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 39
  },
  "hsl": {
    "h": 356.496,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47649,
    "c": 0.1717,
    "h": 24.3
  },
  "luminance": 0.09451
}

Semantic roles & 50–950 ramp

primary

#A81F27

secondary

#5DC6C0

accent

#ECE13C

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A81F27

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

Preview Lab → · Contrast checker → · Palette generator →