#A33027#A33027

#A33027 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.3% C 0.153 H 28.5°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX#A33027
RGBrgb(163, 48, 39)
HSLhsl(4, 61%, 40%)
HSVhsv(4, 76%, 64%)
CMYKcmyk(0%, 70.6%, 76.1%, 36.1%)
CIE-LABlab(37.93, 46.63, 32.66)
CIE-LCHlch(37.93, 56.93, 35.01°)
OKLaboklab(48.28% 0.134 0.0729)
OKLCHoklch(48.28% 0.153 28.5)
XYZxyz(16.5293, 10.0494, 2.9884)
Luminance0.1005 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33027 #279AA3
analogous
#A3275C #A33027 #A36E27
triadic
#A33027 #27A330 #3027A3
tetradic
#A33027 #5CA327 #279AA3 #6E27A3
square
#A33027 #5CA327 #279AA3 #6E27A3
split-complementary
#A33027 #27A36E #275CA3
monochromatic
#40130F #72211B #A33027 #CF4338 #DB7269

Accessibility & contrast

On white

6.98
#A33027 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.01
#A33027 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33027
6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33027#FFFFFF#000000##FFFFFF
##A330271.006.983.016.98
#FFFFFF6.981.0021.001.00
#0000003.0121.001.0021.00
##FFFFFF6.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514925
Deuteranopia (green-blind)
#6E6223
Tritanopia (blue-blind)
#B4062F
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #a33027;
/* rgb */ color: rgb(163, 48, 39);
/* oklch */ color: oklch(48.3% 0.153 28.5);
Tailwind
colors: {
  custom: {
    50: '#c67062',
    500: '#a33027',
    950: '#000000',
  },
}
SCSS
$custom: #a33027;
$custom-light: #c67062;
$custom-dark: #000000;
JSON
{
  "hex": "#a33027",
  "rgb": {
    "r": 163,
    "g": 48,
    "b": 39
  },
  "hsl": {
    "h": 4.355,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48281,
    "c": 0.15252,
    "h": 28.5
  },
  "luminance": 0.10047
}

Semantic roles & 50–950 ramp

primary
#A33027
secondary
#64BBC1
accent
#D9E443
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140805
muted
#837B79

Preview Lab

Preview with #A33027

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

Preview Lab → · Contrast checker → · Palette generator →

#A33027 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva