#A81F20#A81F20

#A81F20 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.172 H 26.6°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A81F20
RGB	rgb(168, 31, 32)
HSL	hsl(360, 69%, 39%)
HSV	hsv(360, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 81%, 34.1%)
CIE-LAB	lab(36.77, 53.73, 35.74)
CIE-LCH	lch(36.77, 64.53, 33.63°)
OKLab	oklab(47.57% 0.1542 0.0771)
OKLCH	oklch(47.57% 0.172 26.6)
XYZ	xyz(16.9012, 9.4118, 2.2930)
Luminance	0.0941 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F20 #1FA8A7

analogous

#A81F65 #A81F20 #A8631F

triadic

#A81F20 #20A81F #1F20A8

tetradic

#A81F20 #65A81F #1FA8A7 #631FA8

square

#A81F20 #65A81F #1FA8A7 #631FA8

split-complementary

#A81F20 #1FA863 #1F65A8

monochromatic

#410C0C #741516 #A81F20 #D82C2D #E26061

Accessibility & contrast

On white

7.29

#A81F20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A81F20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F20

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F20	#FFFFFF	#000000	##FFFFFF
##A81F20	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B441E

Deuteranopia (green-blind)

#6D6119

Tritanopia (blue-blind)

#B90022

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a81f20;
/* rgb */ color: rgb(168, 31, 32);
/* oklch */ color: oklch(47.6% 0.172 26.6);

Tailwind

colors: {
  custom: {
    50: '#cb695c',
    500: '#a81f20',
    950: '#000000',
  },
}

SCSS

$custom: #a81f20;
$custom-light: #cb695c;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f20",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 32
  },
  "hsl": {
    "h": 359.562,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47565,
    "c": 0.17245,
    "h": 26.6
  },
  "luminance": 0.09409
}

Semantic roles & 50–950 ramp

primary

#A81F20

secondary

#5DC6C5

accent

#ECEA3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A81F20

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

Preview Lab → · Contrast checker → · Palette generator →