#A81F25#A81F25

#A81F25 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.172 H 25.0°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX#A81F25
RGBrgb(168, 31, 37)
HSLhsl(357, 69%, 39%)
HSVhsv(357, 82%, 66%)
CMYKcmyk(0%, 81.5%, 78%, 34.1%)
CIE-LABlab(36.82, 53.90, 32.90)
CIE-LCHlch(36.82, 63.15, 31.40°)
OKLaboklab(47.62% 0.1559 0.0725)
OKLCHoklch(47.62% 0.172 25)
XYZxyz(16.9744, 9.4411, 2.6785)
Luminance0.0944 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A81F25 #1FA8A2
analogous
#A81F6A #A81F25 #A85E1F
triadic
#A81F25 #25A81F #1F25A8
tetradic
#A81F25 #6AA81F #1FA8A2 #5E1FA8
square
#A81F25 #6AA81F #1FA8A2 #5E1FA8
split-complementary
#A81F25 #1FA85E #1F6AA8
monochromatic
#410C0E #74151A #A81F25 #D82C34 #E26065

Accessibility & contrast

On white

7.27
#A81F25 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.89
#A81F25 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F25
7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A81F25#FFFFFF#000000##FFFFFF
##A81F251.007.272.897.27
#FFFFFF7.271.0021.001.00
#0000002.8921.001.0021.00
##FFFFFF7.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B4424
Deuteranopia (green-blind)
#6C611F
Tritanopia (blue-blind)
#B90023
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a81f25;
/* rgb */ color: rgb(168, 31, 37);
/* oklch */ color: oklch(47.6% 0.172 25.0);
Tailwind
colors: {
  custom: {
    50: '#cb6960',
    500: '#a81f25',
    950: '#000000',
  },
}
SCSS
$custom: #a81f25;
$custom-light: #cb6960;
$custom-dark: #000000;
JSON
{
  "hex": "#a81f25",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 37
  },
  "hsl": {
    "h": 357.372,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47623,
    "c": 0.17191,
    "h": 25
  },
  "luminance": 0.09438
}

Semantic roles & 50–950 ramp

primary
#A81F25
secondary
#5DC6C2
accent
#ECE43C
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150705
muted
#837A79

Preview Lab

Preview with #A81F25

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

Preview Lab → · Contrast checker → · Palette generator →

#A81F25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva