#A33B24#A33B24

#A33B24 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.143 H 34.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#A33B24
RGBrgb(163, 59, 36)
HSLhsl(11, 64%, 39%)
HSVhsv(11, 78%, 64%)
CMYKcmyk(0%, 63.8%, 77.9%, 36.1%)
CIE-LABlab(39.66, 41.76, 36.19)
CIE-LCHlch(39.66, 55.26, 40.91°)
OKLaboklab(49.57% 0.1182 0.0798)
OKLCHoklch(49.57% 0.143 34)
XYZxyz(16.9885, 11.0443, 2.9059)
Luminance0.1104 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33B24 #248CA3
analogous
#A3244D #A33B24 #A37B24
triadic
#A33B24 #24A33B #3B24A3
tetradic
#A33B24 #4DA324 #248CA3 #7B24A3
square
#A33B24 #4DA324 #248CA3 #7B24A3
split-complementary
#A33B24 #24A37B #244DA3
monochromatic
#3F170E #712919 #A33B24 #D24F32 #DD7A65

Accessibility & contrast

On white

6.55
#A33B24 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#A33B24 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B24
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33B24#FFFFFF#000000##FFFFFF
##A33B241.006.553.216.55
#FFFFFF6.551.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584F21
Deuteranopia (green-blind)
#726620
Tritanopia (blue-blind)
#B32036
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a33b24;
/* rgb */ color: rgb(163, 59, 36);
/* oklch */ color: oklch(49.6% 0.143 34.0);
Tailwind
colors: {
  custom: {
    50: '#c67660',
    500: '#a33b24',
    950: '#000000',
  },
}
SCSS
$custom: #a33b24;
$custom-light: #c67660;
$custom-dark: #000000;
JSON
{
  "hex": "#a33b24",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 36
  },
  "hsl": {
    "h": 10.866,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.49566,
    "c": 0.14258,
    "h": 34
  },
  "luminance": 0.11042
}

Semantic roles & 50–950 ramp

primary
#A33B24
secondary
#60B1C2
accent
#C9E741
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140905
muted
#837B79

Preview Lab

Preview with #A33B24

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

Preview Lab → · Contrast checker → · Palette generator →

#A33B24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva