#B33D25#B33D25

#B33D25 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.158 H 33.3°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#B33D25
RGBrgb(179, 61, 37)
HSLhsl(10, 66%, 42%)
HSVhsv(10, 79%, 70%)
CMYKcmyk(0%, 65.9%, 79.3%, 29.8%)
CIE-LABlab(42.85, 46.65, 39.84)
CIE-LCHlch(42.85, 61.35, 40.49°)
OKLaboklab(52.51% 0.1319 0.0867)
OKLCHoklch(52.51% 0.158 33.3)
XYZxyz(20.5954, 13.0578, 3.1858)
Luminance0.1305 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B33D25 #259BB3
analogous
#B32554 #B33D25 #B38425
triadic
#B33D25 #25B33D #3D25B3
tetradic
#B33D25 #54B325 #259BB3 #8425B3
square
#B33D25 #54B325 #259BB3 #8425B3
split-complementary
#B33D25 #25B384 #2554B3
monochromatic
#4E1A10 #802C1B #B33D25 #D7583E #E28471

Accessibility & contrast

On white

5.82
#B33D25 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.61
#B33D25 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D25
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B33D25#FFFFFF#000000##FFFFFF
##B33D251.005.823.615.82
#FFFFFF5.821.0021.001.00
#0000003.6121.001.0021.00
##FFFFFF5.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5521
Deuteranopia (green-blind)
#7C6F20
Tritanopia (blue-blind)
#C51B38
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b33d25;
/* rgb */ color: rgb(179, 61, 37);
/* oklch */ color: oklch(52.5% 0.158 33.3);
Tailwind
colors: {
  custom: {
    50: '#d27861',
    500: '#b33d25',
    950: '#000000',
  },
}
SCSS
$custom: #b33d25;
$custom-light: #d27861;
$custom-dark: #000000;
JSON
{
  "hex": "#b33d25",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 37
  },
  "hsl": {
    "h": 10.141,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.5251,
    "c": 0.15785,
    "h": 33.3
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary
#B33D25
secondary
#6BB9C8
accent
#CCE93F
background
#FEF7F5
surface
#FCEEEA
border
#D5C9C6
text
#160905
muted
#847B79

Preview Lab

Preview with #B33D25

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

Preview Lab → · Contrast checker → · Palette generator →

#B33D25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva