#B33D29#B33D29

#B33D29 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.157 H 32.0°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX#B33D29
RGBrgb(179, 61, 41)
HSLhsl(9, 63%, 43%)
HSVhsv(9, 77%, 70%)
CMYKcmyk(0%, 65.9%, 77.1%, 29.8%)
CIE-LABlab(42.89, 46.80, 37.73)
CIE-LCHlch(42.89, 60.12, 38.88°)
OKLaboklab(52.55% 0.1331 0.0833)
OKLCHoklch(52.55% 0.157 32)
XYZxyz(20.6617, 13.0843, 3.5349)
Luminance0.1308 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B33D29 #299FB3
analogous
#B3295A #B33D29 #B38229
triadic
#B33D29 #29B33D #3D29B3
tetradic
#B33D29 #5AB329 #299FB3 #8229B3
square
#B33D29 #5AB329 #299FB3 #8229B3
split-complementary
#B33D29 #29B382 #295AB3
monochromatic
#4F1B12 #812C1E #B33D29 #D45A45 #E08677

Accessibility & contrast

On white

5.81
#B33D29 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.62
#B33D29 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D29
5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B33D29#FFFFFF#000000##FFFFFF
##B33D291.005.813.625.81
#FFFFFF5.811.0021.001.00
#0000003.6221.001.0021.00
##FFFFFF5.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5526
Deuteranopia (green-blind)
#7C6F25
Tritanopia (blue-blind)
#C51C39
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b33d29;
/* rgb */ color: rgb(179, 61, 41);
/* oklch */ color: oklch(52.6% 0.157 32.0);
Tailwind
colors: {
  custom: {
    50: '#d27864',
    500: '#b33d29',
    950: '#000000',
  },
}
SCSS
$custom: #b33d29;
$custom-light: #d27864;
$custom-dark: #000000;
JSON
{
  "hex": "#b33d29",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 41
  },
  "hsl": {
    "h": 8.696,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52552,
    "c": 0.15705,
    "h": 32
  },
  "luminance": 0.13081
}

Semantic roles & 50–950 ramp

primary
#B33D29
secondary
#70BBC7
accent
#CEE642
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160905
muted
#847B7A

Preview Lab

Preview with #B33D29

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

Preview Lab → · Contrast checker → · Palette generator →

#B33D29 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva