#A81F28#A81F28

#A81F28 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.172 H 23.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A81F28
RGB	rgb(168, 31, 40)
HSL	hsl(356, 69%, 39%)
HSV	hsv(356, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 76.2%, 34.1%)
CIE-LAB	lab(36.86, 54.01, 31.15)
CIE-LCH	lch(36.86, 62.35, 29.97°)
OKLab	oklab(47.66% 0.1569 0.0695)
OKLCH	oklch(47.66% 0.172 23.9)
XYZ	xyz(17.0235, 9.4607, 2.9368)
Luminance	0.0946 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F28 #1FA89F

analogous

#A81F6D #A81F28 #A85B1F

triadic

#A81F28 #28A81F #1F28A8

tetradic

#A81F28 #6DA81F #1FA89F #5B1FA8

square

#A81F28 #6DA81F #1FA89F #5B1FA8

split-complementary

#A81F28 #1FA85B #1F6DA8

monochromatic

#410C0F #74151C #A81F28 #D82C37 #E26068

Accessibility & contrast

On white

7.26

#A81F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F28

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F28	#FFFFFF	#000000	##FFFFFF
##A81F28	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4427

Deuteranopia (green-blind)

#6C6123

Tritanopia (blue-blind)

#B90024

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81f28;
/* rgb */ color: rgb(168, 31, 40);
/* oklch */ color: oklch(47.7% 0.172 23.9);

Tailwind

colors: {
  custom: {
    50: '#cb6962',
    500: '#a81f28',
    950: '#000000',
  },
}

SCSS

$custom: #a81f28;
$custom-light: #cb6962;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f28",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 40
  },
  "hsl": {
    "h": 356.058,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47662,
    "c": 0.17161,
    "h": 23.9
  },
  "luminance": 0.09458
}

Semantic roles & 50–950 ramp

primary

#A81F28

secondary

#5DC6BF

accent

#ECE03C

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A81F28

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

Preview Lab → · Contrast checker → · Palette generator →