#B33D2D#B33D2D

#B33D2D is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.156 H 30.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX#B33D2D
RGBrgb(179, 61, 45)
HSLhsl(7, 60%, 44%)
HSVhsv(7, 75%, 70%)
CMYKcmyk(0%, 65.9%, 74.9%, 29.8%)
CIE-LABlab(42.93, 46.97, 35.56)
CIE-LCHlch(42.93, 58.91, 37.13°)
OKLaboklab(52.6% 0.1344 0.0796)
OKLCHoklch(52.6% 0.156 30.6)
XYZxyz(20.7351, 13.1137, 3.9215)
Luminance0.1311 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B33D2D #2DA3B3
analogous
#B32D60 #B33D2D #B3802D
triadic
#B33D2D #2DB33D #3D2DB3
tetradic
#B33D2D #60B32D #2DA3B3 #802DB3
square
#B33D2D #60B32D #2DA3B3 #802DB3
split-complementary
#B33D2D #2DB380 #2D60B3
monochromatic
#511C14 #822C21 #B33D2D #D25B4B #DE887C

Accessibility & contrast

On white

5.80
#B33D2D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.62
#B33D2D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D2D
5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B33D2D#FFFFFF#000000##FFFFFF
##B33D2D1.005.803.625.80
#FFFFFF5.801.0021.001.00
#0000003.6221.001.0021.00
##FFFFFF5.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E552A
Deuteranopia (green-blind)
#7B6F29
Tritanopia (blue-blind)
#C51D3A
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b33d2d;
/* rgb */ color: rgb(179, 61, 45);
/* oklch */ color: oklch(52.6% 0.156 30.6);
Tailwind
colors: {
  custom: {
    50: '#d27967',
    500: '#b33d2d',
    950: '#000000',
  },
}
SCSS
$custom: #b33d2d;
$custom-light: #d27967;
$custom-dark: #000000;
JSON
{
  "hex": "#b33d2d",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 45
  },
  "hsl": {
    "h": 7.164,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52599,
    "c": 0.15626,
    "h": 30.6
  },
  "luminance": 0.13111
}

Semantic roles & 50–950 ramp

primary
#B33D2D
secondary
#75BDC7
accent
#D0E345
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#160906
muted
#847B7A

Preview Lab

Preview with #B33D2D

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

Preview Lab → · Contrast checker → · Palette generator →

#B33D2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva