#A81F2C#A81F2C

#A81F2C is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.171 H 22.4°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A81F2C
RGB	rgb(168, 31, 44)
HSL	hsl(354, 69%, 39%)
HSV	hsv(354, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 73.8%, 34.1%)
CIE-LAB	lab(36.91, 54.18, 28.78)
CIE-LCH	lch(36.91, 61.35, 27.98°)
OKLab	oklab(47.72% 0.1583 0.0653)
OKLCH	oklch(47.72% 0.171 22.4)
XYZ	xyz(17.0951, 9.4894, 3.3139)
Luminance	0.0949 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F2C #1FA89B

analogous

#A81F71 #A81F2C #A8571F

triadic

#A81F2C #2CA81F #1F2CA8

tetradic

#A81F2C #71A81F #1FA89B #571FA8

square

#A81F2C #71A81F #1FA89B #571FA8

split-complementary

#A81F2C #1FA857 #1F71A8

monochromatic

#410C11 #74151E #A81F2C #D82C3C #E2606C

Accessibility & contrast

On white

7.25

#A81F2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A81F2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F2C

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F2C	#FFFFFF	#000000	##FFFFFF
##A81F2C	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A442B

Deuteranopia (green-blind)

#6C6127

Tritanopia (blue-blind)

#B90026

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81f2c;
/* rgb */ color: rgb(168, 31, 44);
/* oklch */ color: oklch(47.7% 0.171 22.4);

Tailwind

colors: {
  custom: {
    50: '#ca6965',
    500: '#a81f2c',
    950: '#000000',
  },
}

SCSS

$custom: #a81f2c;
$custom-light: #ca6965;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f2c",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 44
  },
  "hsl": {
    "h": 354.307,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47719,
    "c": 0.17127,
    "h": 22.4
  },
  "luminance": 0.09487
}

Semantic roles & 50–950 ramp

primary

#A81F2C

secondary

#5DC6BC

accent

#ECDB3C

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A81F2C

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

Preview Lab → · Contrast checker → · Palette generator →