#B33A45#B33A45

#B33A45 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.156 H 19.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#B33A45
RGBrgb(179, 58, 69)
HSLhsl(355, 51%, 46%)
HSVhsv(355, 68%, 70%)
CMYKcmyk(0%, 67.6%, 61.5%, 29.8%)
CIE-LABlab(42.83, 49.57, 21.19)
CIE-LCHlch(42.83, 53.90, 23.14°)
OKLaboklab(52.64% 0.1475 0.0514)
OKLCHoklch(52.64% 0.156 19.2)
XYZxyz(21.1797, 13.0424, 7.0312)
Luminance0.1304 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B33A45 #3AB3A8
analogous
#B33A82 #B33A45 #B36C3A
triadic
#B33A45 #45B33A #3A45B3
tetradic
#B33A45 #82B33A #3AB3A8 #6C3AB3
square
#B33A45 #82B33A #3AB3A8 #6C3AB3
split-complementary
#B33A45 #3AB36C #3A82B3
monochromatic
#571C21 #852B33 #B33A45 #CB5F69 #DA8D94

Accessibility & contrast

On white

5.82
#B33A45 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.61
#B33A45 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A45
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B33A45#FFFFFF#000000##FFFFFF
##B33A451.005.823.615.82
#FFFFFF5.821.0021.001.00
#0000003.6121.001.0021.00
##FFFFFF5.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595545
Deuteranopia (green-blind)
#786F42
Tritanopia (blue-blind)
#C41E3F
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b33a45;
/* rgb */ color: rgb(179, 58, 69);
/* oklch */ color: oklch(52.6% 0.156 19.2);
Tailwind
colors: {
  custom: {
    50: '#d07778',
    500: '#b33a45',
    950: '#000000',
  },
}
SCSS
$custom: #b33a45;
$custom-light: #d07778;
$custom-dark: #000000;
JSON
{
  "hex": "#b33a45",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 69
  },
  "hsl": {
    "h": 354.545,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52635,
    "c": 0.15615,
    "h": 19.2
  },
  "luminance": 0.13039
}

Semantic roles & 50–950 ramp

primary
#B33A45
secondary
#84C5BF
accent
#DBCE4D
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150909
muted
#837B7B

Preview Lab

Preview with #B33A45

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

Preview Lab → · Contrast checker → · Palette generator →

#B33A45 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva