#A63D53#A63D53

#A63D53 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.2% C 0.139 H 10.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#A63D53
RGBrgb(166, 61, 83)
HSLhsl(347, 46%, 45%)
HSVhsv(347, 63%, 65%)
CMYKcmyk(0%, 63.3%, 50%, 34.9%)
CIE-LABlab(41.33, 45.03, 10.10)
CIE-LCHlch(41.33, 46.14, 12.64°)
OKLaboklab(51.18% 0.1365 0.0259)
OKLCHoklch(51.18% 0.139 10.7)
XYZxyz(18.9575, 12.0714, 9.5136)
Luminance0.1207 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63D53 #3DA690
analogous
#A63D88 #A63D53 #A65C3D
triadic
#A63D53 #53A63D #3D53A6
tetradic
#A63D53 #88A63D #3DA690 #5C3DA6
square
#A63D53 #88A63D #3DA690 #5C3DA6
split-complementary
#A63D53 #3DA65C #3D88A6
monochromatic
#4C1C26 #792D3D #A63D53 #C35D72 #D48A99

Accessibility & contrast

On white

6.15
#A63D53 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#A63D53 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D53
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63D53#FFFFFF#000000##FFFFFF
##A63D531.006.153.416.15
#FFFFFF6.151.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#545453
Deuteranopia (green-blind)
#706951
Tritanopia (blue-blind)
#B52D45
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #a63d53;
/* rgb */ color: rgb(166, 61, 83);
/* oklch */ color: oklch(51.2% 0.139 10.7);
Tailwind
colors: {
  custom: {
    50: '#c57883',
    500: '#a63d53',
    950: '#000000',
  },
}
SCSS
$custom: #a63d53;
$custom-light: #c57883;
$custom-dark: #000000;
JSON
{
  "hex": "#a63d53",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 83
  },
  "hsl": {
    "h": 347.429,
    "s": 46.256,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51184,
    "c": 0.1389,
    "h": 10.7
  },
  "luminance": 0.12069
}

Semantic roles & 50–950 ramp

primary
#A63D53
secondary
#80BEB1
accent
#D6BA52
background
#FCF7F8
surface
#F9EEEF
border
#D2C9CA
text
#14090A
muted
#827B7C

Preview Lab

Preview with #A63D53

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

Preview Lab → · Contrast checker → · Palette generator →

#A63D53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva