#A63243#A63243

#A63243 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.5% C 0.151 H 16.3°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#A63243
RGBrgb(166, 50, 67)
HSLhsl(351, 54%, 42%)
HSVhsv(351, 70%, 65%)
CMYKcmyk(0%, 69.9%, 59.6%, 34.9%)
CIE-LABlab(39.23, 48.42, 17.26)
CIE-LCHlch(39.23, 51.40, 19.62°)
OKLaboklab(49.5% 0.145 0.0424)
OKLCHoklch(49.5% 0.151 16.3)
XYZxyz(17.8813, 10.7959, 6.4513)
Luminance0.1079 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63243 #32A695
analogous
#A6327D #A63243 #A65B32
triadic
#A63243 #43A632 #3243A6
tetradic
#A63243 #7DA632 #32A695 #5B32A6
square
#A63243 #7DA632 #32A695 #5B32A6
split-complementary
#A63243 #32A65B #327DA6
monochromatic
#48161D #772430 #A63243 #C94C5E #D77B89

Accessibility & contrast

On white

6.65
#A63243 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#A63243 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63243
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63243#FFFFFF#000000##FFFFFF
##A632431.006.653.166.65
#FFFFFF6.651.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504D43
Deuteranopia (green-blind)
#6E6540
Tritanopia (blue-blind)
#B61639
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a63243;
/* rgb */ color: rgb(166, 50, 67);
/* oklch */ color: oklch(49.5% 0.151 16.3);
Tailwind
colors: {
  custom: {
    50: '#c77277',
    500: '#a63243',
    950: '#000000',
  },
}
SCSS
$custom: #a63243;
$custom-light: #c77277;
$custom-dark: #000000;
JSON
{
  "hex": "#a63243",
  "rgb": {
    "r": 166,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 351.207,
    "s": 53.704,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49503,
    "c": 0.15109,
    "h": 16.3
  },
  "luminance": 0.10793
}

Semantic roles & 50–950 ramp

primary
#A63243
secondary
#74C0B5
accent
#DDC84B
background
#FDF7F7
surface
#FAEDED
border
#D3C8C8
text
#140808
muted
#837B7B

Preview Lab

Preview with #A63243

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

Preview Lab → · Contrast checker → · Palette generator →

#A63243 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva