#A3243D#A3243D

#A3243D is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.162 H 15.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX#A3243D
RGBrgb(163, 36, 61)
HSLhsl(348, 64%, 39%)
HSVhsv(348, 78%, 64%)
CMYKcmyk(0%, 77.9%, 62.6%, 36.1%)
CIE-LABlab(36.72, 52.13, 17.63)
CIE-LCHlch(36.72, 55.03, 18.69°)
OKLaboklab(47.49% 0.1562 0.0429)
OKLCHoklch(47.49% 0.162 15.4)
XYZxyz(16.5792, 9.3877, 5.3530)
Luminance0.0939 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A3243D #24A38A
analogous
#A3247D #A3243D #A34B24
triadic
#A3243D #3DA324 #243DA3
tetradic
#A3243D #7DA324 #24A38A #4B24A3
square
#A3243D #7DA324 #24A38A #4B24A3
split-complementary
#A3243D #24A34B #247DA3
monochromatic
#3F0E17 #71192A #A3243D #D23252 #DD657C

Accessibility & contrast

On white

7.30
#A3243D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.88
#A3243D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3243D
7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A3243D#FFFFFF#000000##FFFFFF
##A3243D1.007.302.887.30
#FFFFFF7.301.0021.001.00
#0000002.8821.001.0021.00
##FFFFFF7.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#48463D
Deuteranopia (green-blind)
#68603A
Tritanopia (blue-blind)
#B3002F
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #a3243d;
/* rgb */ color: rgb(163, 36, 61);
/* oklch */ color: oklch(47.5% 0.162 15.4);
Tailwind
colors: {
  custom: {
    50: '#c56b72',
    500: '#a3243d',
    950: '#000000',
  },
}
SCSS
$custom: #a3243d;
$custom-light: #c56b72;
$custom-dark: #000000;
JSON
{
  "hex": "#a3243d",
  "rgb": {
    "r": 163,
    "g": 36,
    "b": 61
  },
  "hsl": {
    "h": 348.189,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47492,
    "c": 0.16196,
    "h": 15.4
  },
  "luminance": 0.09385
}

Semantic roles & 50–950 ramp

primary
#A3243D
secondary
#60C2AF
accent
#E7C641
background
#FDF6F6
surface
#FAECEC
border
#D3C7C7
text
#140707
muted
#837A7A

Preview Lab

Preview with #A3243D

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

Preview Lab → · Contrast checker → · Palette generator →

#A3243D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva