#A42323#A42323

#A42323 is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.165 H 26.3°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX#A42323
RGBrgb(164, 35, 35)
HSLhsl(0, 65%, 39%)
HSVhsv(0, 79%, 64%)
CMYKcmyk(0%, 78.7%, 78.7%, 35.7%)
CIE-LABlab(36.40, 51.45, 33.39)
CIE-LCHlch(36.40, 61.33, 32.98°)
OKLaboklab(47.16% 0.1482 0.0733)
OKLCHoklch(47.16% 0.165 26.3)
XYZxyz(16.2162, 9.2185, 2.5153)
Luminance0.0922 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42323 #23A4A4
analogous
#A42364 #A42323 #A46423
triadic
#A42323 #23A423 #2323A4
tetradic
#A42323 #64A423 #23A4A4 #6423A4
square
#A42323 #64A423 #23A4A4 #6423A4
split-complementary
#A42323 #23A464 #2364A4
monochromatic
#3F0D0D #721818 #A42323 #D33131 #DE6464

Accessibility & contrast

On white

7.39
#A42323 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.84
#A42323 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42323
7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42323#FFFFFF#000000##FFFFFF
##A423231.007.392.847.39
#FFFFFF7.391.0021.001.00
#0000002.8421.001.0021.00
##FFFFFF7.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B4421
Deuteranopia (green-blind)
#6B601D
Tritanopia (blue-blind)
#B50025
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #a42323;
/* rgb */ color: rgb(164, 35, 35);
/* oklch */ color: oklch(47.2% 0.165 26.3);
Tailwind
colors: {
  custom: {
    50: '#c86a5e',
    500: '#a42323',
    950: '#000000',
  },
}
SCSS
$custom: #a42323;
$custom-light: #c86a5e;
$custom-dark: #000000;
JSON
{
  "hex": "#a42323",
  "rgb": {
    "r": 164,
    "g": 35,
    "b": 35
  },
  "hsl": {
    "h": 0,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47161,
    "c": 0.16531,
    "h": 26.3
  },
  "luminance": 0.09216
}

Semantic roles & 50–950 ramp

primary
#A42323
secondary
#60C3C3
accent
#E8E840
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #A42323

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

Preview Lab → · Contrast checker → · Palette generator →

#A42323 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva