#A63541#A63541

#A63541 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.148 H 18.3°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#A63541
RGBrgb(166, 53, 65)
HSLhsl(354, 52%, 43%)
HSVhsv(354, 68%, 65%)
CMYKcmyk(0%, 68.1%, 60.8%, 34.9%)
CIE-LABlab(39.64, 47.05, 19.05)
CIE-LCHlch(39.64, 50.76, 22.05°)
OKLaboklab(49.8% 0.1403 0.0464)
OKLCHoklch(49.8% 0.148 18.3)
XYZxyz(17.9549, 11.0373, 6.1850)
Luminance0.1104 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63541 #35A69A
analogous
#A6357A #A63541 #A66135
triadic
#A63541 #41A635 #3541A6
tetradic
#A63541 #7AA635 #35A69A #6135A6
square
#A63541 #7AA635 #35A69A #6135A6
split-complementary
#A63541 #35A661 #357AA6
monochromatic
#49171D #78262F #A63541 #C7515D #D67F88

Accessibility & contrast

On white

6.55
#A63541 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#A63541 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63541
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63541#FFFFFF#000000##FFFFFF
##A635411.006.553.216.55
#FFFFFF6.551.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524E41
Deuteranopia (green-blind)
#6F663E
Tritanopia (blue-blind)
#B61B3A
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a63541;
/* rgb */ color: rgb(166, 53, 65);
/* oklch */ color: oklch(49.8% 0.148 18.3);
Tailwind
colors: {
  custom: {
    50: '#c77375',
    500: '#a63541',
    950: '#000000',
  },
}
SCSS
$custom: #a63541;
$custom-light: #c77375;
$custom-dark: #000000;
JSON
{
  "hex": "#a63541",
  "rgb": {
    "r": 166,
    "g": 53,
    "b": 65
  },
  "hsl": {
    "h": 353.628,
    "s": 51.598,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49795,
    "c": 0.14778,
    "h": 18.3
  },
  "luminance": 0.11035
}

Semantic roles & 50–950 ramp

primary
#A63541
secondary
#77BFB8
accent
#DBCC4D
background
#FDF7F7
surface
#FAEDED
border
#D3C8C8
text
#140808
muted
#837B7B

Preview Lab

Preview with #A63541

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

Preview Lab → · Contrast checker → · Palette generator →

#A63541 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva