#A81F24#A81F24

#A81F24 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.172 H 25.3°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#A81F24
RGB	rgb(168, 31, 36)
HSL	hsl(358, 69%, 39%)
HSV	hsv(358, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 78.6%, 34.1%)
CIE-LAB	lab(36.81, 53.86, 33.48)
CIE-LCH	lch(36.81, 63.42, 31.86°)
OKLab	oklab(47.61% 0.1555 0.0735)
OKLCH	oklch(47.61% 0.172 25.3)
XYZ	xyz(16.9589, 9.4349, 2.5969)
Luminance	0.0943 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F24 #1FA8A3

analogous

#A81F69 #A81F24 #A85F1F

triadic

#A81F24 #24A81F #1F24A8

tetradic

#A81F24 #69A81F #1FA8A3 #5F1FA8

square

#A81F24 #69A81F #1FA8A3 #5F1FA8

split-complementary

#A81F24 #1FA85F #1F69A8

monochromatic

#410C0E #741519 #A81F24 #D82C32 #E26065

Accessibility & contrast

On white

7.28

#A81F24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81F24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F24

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F24	#FFFFFF	#000000	##FFFFFF
##A81F24	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4422

Deuteranopia (green-blind)

#6D611E

Tritanopia (blue-blind)

#B90023

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81f24;
/* rgb */ color: rgb(168, 31, 36);
/* oklch */ color: oklch(47.6% 0.172 25.3);

Tailwind

colors: {
  custom: {
    50: '#cb695f',
    500: '#a81f24',
    950: '#000000',
  },
}

SCSS

$custom: #a81f24;
$custom-light: #cb695f;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f24",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 36
  },
  "hsl": {
    "h": 357.81,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47611,
    "c": 0.17201,
    "h": 25.3
  },
  "luminance": 0.09432
}

Semantic roles & 50–950 ramp

primary

#A81F24

secondary

#5DC6C2

accent

#ECE53C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A81F24

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

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