#A63E42#A63E42

#A63E42 is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.137 H 21.2°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX#A63E42
RGBrgb(166, 62, 66)
HSLhsl(358, 46%, 45%)
HSVhsv(358, 63%, 65%)
CMYKcmyk(0%, 62.7%, 60.2%, 34.9%)
CIE-LABlab(41.13, 43.15, 20.39)
CIE-LCHlch(41.13, 47.73, 25.29°)
OKLaboklab(50.92% 0.1281 0.0496)
OKLCHoklch(50.92% 0.137 21.2)
XYZxyz(18.4336, 11.9480, 6.4887)
Luminance0.1195 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63E42 #3EA6A2
analogous
#A63E76 #A63E42 #A66E3E
triadic
#A63E42 #42A63E #3E42A6
tetradic
#A63E42 #76A63E #3EA6A2 #6E3EA6
square
#A63E42 #76A63E #3EA6A2 #6E3EA6
split-complementary
#A63E42 #3EA66E #3E76A6
monochromatic
#4D1D1F #792D30 #A63E42 #C35E62 #D48B8E

Accessibility & contrast

On white

6.20
#A63E42 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#A63E42 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E42
6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63E42#FFFFFF#000000##FFFFFF
##A63E421.006.203.396.20
#FFFFFF6.201.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#585341
Deuteranopia (green-blind)
#72693F
Tritanopia (blue-blind)
#B62A40
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #a63e42;
/* rgb */ color: rgb(166, 62, 66);
/* oklch */ color: oklch(50.9% 0.137 21.2);
Tailwind
colors: {
  custom: {
    50: '#c67876',
    500: '#a63e42',
    950: '#000000',
  },
}
SCSS
$custom: #a63e42;
$custom-light: #c67876;
$custom-dark: #000000;
JSON
{
  "hex": "#a63e42",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 66
  },
  "hsl": {
    "h": 357.692,
    "s": 45.614,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50917,
    "c": 0.13738,
    "h": 21.2
  },
  "luminance": 0.11946
}

Semantic roles & 50–950 ramp

primary
#A63E42
secondary
#82BEBC
accent
#D5D053
background
#FCF7F7
surface
#F9EEED
border
#D2C9C8
text
#140908
muted
#827B7B

Preview Lab

Preview with #A63E42

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

Preview Lab → · Contrast checker → · Palette generator →

#A63E42 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva