#A33C23#A33C23

#A33C23 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.142 H 34.8°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX#A33C23
RGBrgb(163, 60, 35)
HSLhsl(12, 65%, 39%)
HSVhsv(12, 79%, 64%)
CMYKcmyk(0%, 63.2%, 78.5%, 36.1%)
CIE-LABlab(39.82, 41.26, 36.90)
CIE-LCHlch(39.82, 55.35, 41.81°)
OKLaboklab(49.69% 0.1164 0.081)
OKLCHoklch(49.69% 0.142 34.8)
XYZxyz(17.0253, 11.1420, 2.8439)
Luminance0.1114 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33C23 #238AA3
analogous
#A3234A #A33C23 #A37C23
triadic
#A33C23 #23A33C #3C23A3
tetradic
#A33C23 #4AA323 #238AA3 #7C23A3
square
#A33C23 #4AA323 #238AA3 #7C23A3
split-complementary
#A33C23 #23A37C #234AA3
monochromatic
#3E170D #712918 #A33C23 #D35031 #DD7B63

Accessibility & contrast

On white

6.51
#A33C23 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.23
#A33C23 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C23
6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33C23#FFFFFF#000000##FFFFFF
##A33C231.006.513.236.51
#FFFFFF6.511.0021.001.00
#0000003.2321.001.0021.00
##FFFFFF6.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F20
Deuteranopia (green-blind)
#72661F
Tritanopia (blue-blind)
#B32237
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a33c23;
/* rgb */ color: rgb(163, 60, 35);
/* oklch */ color: oklch(49.7% 0.142 34.8);
Tailwind
colors: {
  custom: {
    50: '#c6765f',
    500: '#a33c23',
    950: '#000000',
  },
}
SCSS
$custom: #a33c23;
$custom-light: #c6765f;
$custom-dark: #000000;
JSON
{
  "hex": "#a33c23",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 35
  },
  "hsl": {
    "h": 11.719,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49686,
    "c": 0.14185,
    "h": 34.8
  },
  "luminance": 0.1114
}

Semantic roles & 50–950 ramp

primary
#A33C23
secondary
#5FAFC3
accent
#C7E840
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140905
muted
#837B79

Preview Lab

Preview with #A33C23

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

Preview Lab → · Contrast checker → · Palette generator →

#A33C23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva