#A81F2F#A81F2F

#A81F2F is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.171 H 21.2°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A81F2F
RGB	rgb(168, 31, 47)
HSL	hsl(353, 69%, 39%)
HSV	hsv(353, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 72%, 34.1%)
CIE-LAB	lab(36.95, 54.31, 26.98)
CIE-LCH	lch(36.95, 60.64, 26.42°)
OKLab	oklab(47.77% 0.1595 0.062)
OKLCH	oklch(47.77% 0.171 21.2)
XYZ	xyz(17.1535, 9.5128, 3.6217)
Luminance	0.0951 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F2F #1FA898

analogous

#A81F74 #A81F2F #A8541F

triadic

#A81F2F #2FA81F #1F2FA8

tetradic

#A81F2F #74A81F #1FA898 #541FA8

square

#A81F2F #74A81F #1FA898 #541FA8

split-complementary

#A81F2F #1FA854 #1F74A8

monochromatic

#410C12 #741521 #A81F2F #D82C40 #E2606F

Accessibility & contrast

On white

7.24

#A81F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A81F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F2F

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F2F	#FFFFFF	#000000	##FFFFFF
##A81F2F	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A442E

Deuteranopia (green-blind)

#6C612A

Tritanopia (blue-blind)

#B90027

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81f2f;
/* rgb */ color: rgb(168, 31, 47);
/* oklch */ color: oklch(47.8% 0.171 21.2);

Tailwind

colors: {
  custom: {
    50: '#ca6967',
    500: '#a81f2f',
    950: '#000000',
  },
}

SCSS

$custom: #a81f2f;
$custom-light: #ca6967;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f2f",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 47
  },
  "hsl": {
    "h": 352.993,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47765,
    "c": 0.17106,
    "h": 21.2
  },
  "luminance": 0.0951
}

Semantic roles & 50–950 ramp

primary

#A81F2F

secondary

#5DC6BA

accent

#ECD73C

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A81F2F

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

Preview Lab → · Contrast checker → · Palette generator →