#A63A41#A63A41

#A63A41 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.4% C 0.142 H 20.1°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX#A63A41
RGBrgb(166, 58, 65)
HSLhsl(356, 48%, 44%)
HSVhsv(356, 65%, 65%)
CMYKcmyk(0%, 65.1%, 60.8%, 34.9%)
CIE-LABlab(40.44, 44.90, 20.10)
CIE-LCHlch(40.44, 49.19, 24.11°)
OKLaboklab(50.39% 0.1335 0.0488)
OKLCHoklch(50.39% 0.142 20.1)
XYZxyz(18.1948, 11.5172, 6.2649)
Luminance0.1152 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63A41 #3AA69F
analogous
#A63A77 #A63A41 #A6693A
triadic
#A63A41 #41A63A #3A41A6
tetradic
#A63A41 #77A63A #3AA69F #693AA6
square
#A63A41 #77A63A #3AA69F #693AA6
split-complementary
#A63A41 #3AA669 #3A77A6
monochromatic
#4B1A1D #792A2F #A63A41 #C5585F #D5868B

Accessibility & contrast

On white

6.36
#A63A41 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.30
#A63A41 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63A41
6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63A41#FFFFFF#000000##FFFFFF
##A63A411.006.363.306.36
#FFFFFF6.361.0021.001.00
#0000003.3021.001.0021.00
##FFFFFF6.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#555141
Deuteranopia (green-blind)
#71683E
Tritanopia (blue-blind)
#B6243D
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #a63a41;
/* rgb */ color: rgb(166, 58, 65);
/* oklch */ color: oklch(50.4% 0.142 20.1);
Tailwind
colors: {
  custom: {
    50: '#c67675',
    500: '#a63a41',
    950: '#000000',
  },
}
SCSS
$custom: #a63a41;
$custom-light: #c67675;
$custom-dark: #000000;
JSON
{
  "hex": "#a63a41",
  "rgb": {
    "r": 166,
    "g": 58,
    "b": 65
  },
  "hsl": {
    "h": 356.111,
    "s": 48.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5039,
    "c": 0.14211,
    "h": 20.1
  },
  "luminance": 0.11515
}

Semantic roles & 50–950 ramp

primary
#A63A41
secondary
#7DBFBA
accent
#D8CF50
background
#FDF7F7
surface
#FAEDED
border
#D3C8C8
text
#140908
muted
#837B7B

Preview Lab

Preview with #A63A41

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

Preview Lab → · Contrast checker → · Palette generator →

#A63A41 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva