#A33E2E#A33E2E

#A33E2E is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.137 H 31.3°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX#A33E2E
RGBrgb(163, 62, 46)
HSLhsl(8, 56%, 41%)
HSVhsv(8, 72%, 64%)
CMYKcmyk(0%, 62%, 71.8%, 36.1%)
CIE-LABlab(40.30, 40.82, 31.26)
CIE-LCHlch(40.30, 51.41, 37.45°)
OKLaboklab(50.09% 0.1173 0.0714)
OKLCHoklch(50.09% 0.137 31.3)
XYZxyz(17.3218, 11.4314, 3.8786)
Luminance0.1143 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33E2E #2E93A3
analogous
#A32E58 #A33E2E #A3782E
triadic
#A33E2E #2EA33E #3E2EA3
tetradic
#A33E2E #58A32E #2E93A3 #782EA3
square
#A33E2E #58A32E #2E93A3 #782EA3
split-complementary
#A33E2E #2EA378 #2E58A3
monochromatic
#441A13 #732C21 #A33E2E #CA5644 #D88174

Accessibility & contrast

On white

6.39
#A33E2E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#A33E2E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E2E
6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33E2E#FFFFFF#000000##FFFFFF
##A33E2E1.006.393.296.39
#FFFFFF6.391.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#59512C
Deuteranopia (green-blind)
#72672B
Tritanopia (blue-blind)
#B3273B
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #a33e2e;
/* rgb */ color: rgb(163, 62, 46);
/* oklch */ color: oklch(50.1% 0.137 31.3);
Tailwind
colors: {
  custom: {
    50: '#c57767',
    500: '#a33e2e',
    950: '#000000',
  },
}
SCSS
$custom: #a33e2e;
$custom-light: #c57767;
$custom-dark: #000000;
JSON
{
  "hex": "#a33e2e",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 46
  },
  "hsl": {
    "h": 8.205,
    "s": 55.981,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50087,
    "c": 0.13728,
    "h": 31.3
  },
  "luminance": 0.11429
}

Semantic roles & 50–950 ramp

primary
#A33E2E
secondary
#6DB4BF
accent
#CBDF49
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140906
muted
#837B7A

Preview Lab

Preview with #A33E2E

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

Preview Lab → · Contrast checker → · Palette generator →

#A33E2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva