#A42523#A42523

#A42523 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.164 H 26.8°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX#A42523
RGBrgb(164, 37, 35)
HSLhsl(1, 65%, 39%)
HSVhsv(1, 79%, 64%)
CMYKcmyk(0%, 77.4%, 78.7%, 35.7%)
CIE-LABlab(36.63, 50.81, 33.63)
CIE-LCHlch(36.63, 60.93, 33.50°)
OKLaboklab(47.33% 0.1462 0.0738)
OKLCHoklch(47.33% 0.164 26.8)
XYZxyz(16.2767, 9.3396, 2.5355)
Luminance0.0934 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42523 #23A2A4
analogous
#A42362 #A42523 #A46623
triadic
#A42523 #23A425 #2523A4
tetradic
#A42523 #62A423 #23A2A4 #6623A4
square
#A42523 #62A423 #23A2A4 #6623A4
split-complementary
#A42523 #23A466 #2362A4
monochromatic
#3F0E0D #721A18 #A42523 #D33431 #DE6564

Accessibility & contrast

On white

7.32
#A42523 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#A42523 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42523
7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42523#FFFFFF#000000##FFFFFF
##A425231.007.322.877.32
#FFFFFF7.321.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C4521
Deuteranopia (green-blind)
#6B601E
Tritanopia (blue-blind)
#B50026
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #a42523;
/* rgb */ color: rgb(164, 37, 35);
/* oklch */ color: oklch(47.3% 0.164 26.8);
Tailwind
colors: {
  custom: {
    50: '#c86b5e',
    500: '#a42523',
    950: '#000000',
  },
}
SCSS
$custom: #a42523;
$custom-light: #c86b5e;
$custom-dark: #000000;
JSON
{
  "hex": "#a42523",
  "rgb": {
    "r": 164,
    "g": 37,
    "b": 35
  },
  "hsl": {
    "h": 0.93,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47331,
    "c": 0.16374,
    "h": 26.8
  },
  "luminance": 0.09337
}

Semantic roles & 50–950 ramp

primary
#A42523
secondary
#60C2C3
accent
#E5E840
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #A42523

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

Preview Lab → · Contrast checker → · Palette generator →

#A42523 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva