#A33523#A33523

#A33523 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.149 H 31.9°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#A33523
RGBrgb(163, 53, 35)
HSLhsl(8, 65%, 39%)
HSVhsv(8, 79%, 64%)
CMYKcmyk(0%, 67.5%, 78.5%, 36.1%)
CIE-LABlab(38.65, 44.39, 35.69)
CIE-LCHlch(38.65, 56.96, 38.80°)
OKLaboklab(48.81% 0.1262 0.0784)
OKLCHoklch(48.81% 0.149 31.9)
XYZxyz(16.6826, 10.4565, 2.7297)
Luminance0.1045 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33523 #2391A3
analogous
#A32351 #A33523 #A37523
triadic
#A33523 #23A335 #3523A3
tetradic
#A33523 #51A323 #2391A3 #7523A3
square
#A33523 #51A323 #2391A3 #7523A3
split-complementary
#A33523 #23A375 #2351A3
monochromatic
#3E140D #712518 #A33523 #D34731 #DD7463

Accessibility & contrast

On white

6.79
#A33523 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#A33523 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33523
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33523#FFFFFF#000000##FFFFFF
##A335231.006.793.096.79
#FFFFFF6.791.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554C20
Deuteranopia (green-blind)
#70641F
Tritanopia (blue-blind)
#B41432
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a33523;
/* rgb */ color: rgb(163, 53, 35);
/* oklch */ color: oklch(48.8% 0.149 31.9);
Tailwind
colors: {
  custom: {
    50: '#c6725f',
    500: '#a33523',
    950: '#000000',
  },
}
SCSS
$custom: #a33523;
$custom-light: #c6725f;
$custom-dark: #000000;
JSON
{
  "hex": "#a33523",
  "rgb": {
    "r": 163,
    "g": 53,
    "b": 35
  },
  "hsl": {
    "h": 8.438,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48806,
    "c": 0.14853,
    "h": 31.9
  },
  "luminance": 0.10454
}

Semantic roles & 50–950 ramp

primary
#A33523
secondary
#5FB5C3
accent
#D0E840
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A33523

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

Preview Lab → · Contrast checker → · Palette generator →

#A33523 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva