#B33823#B33823

#B33823 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.163 H 32.2°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#B33823
RGBrgb(179, 56, 35)
HSLhsl(9, 67%, 42%)
HSVhsv(9, 80%, 70%)
CMYKcmyk(0%, 68.7%, 80.4%, 29.8%)
CIE-LABlab(42.06, 48.68, 40.10)
CIE-LCHlch(42.06, 63.07, 39.48°)
OKLaboklab(51.91% 0.1378 0.0867)
OKLCHoklch(51.91% 0.163 32.2)
XYZxyz(20.3103, 12.5365, 2.9401)
Luminance0.1253 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B33823 #239EB3
analogous
#B32356 #B33823 #B38023
triadic
#B33823 #23B338 #3823B3
tetradic
#B33823 #56B323 #239EB3 #8023B3
square
#B33823 #56B323 #239EB3 #8023B3
split-complementary
#B33823 #23B380 #2356B3
monochromatic
#4D180F #802819 #B33823 #D9523B #E37F6E

Accessibility & contrast

On white

5.99
#B33823 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#B33823 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33823
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B33823#FFFFFF#000000##FFFFFF
##B338231.005.993.515.99
#FFFFFF5.991.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C521F
Deuteranopia (green-blind)
#7A6D1E
Tritanopia (blue-blind)
#C50D34
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b33823;
/* rgb */ color: rgb(179, 56, 35);
/* oklch */ color: oklch(51.9% 0.163 32.2);
Tailwind
colors: {
  custom: {
    50: '#d27660',
    500: '#b33823',
    950: '#000000',
  },
}
SCSS
$custom: #b33823;
$custom-light: #d27660;
$custom-dark: #000000;
JSON
{
  "hex": "#b33823",
  "rgb": {
    "r": 179,
    "g": 56,
    "b": 35
  },
  "hsl": {
    "h": 8.75,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51908,
    "c": 0.1628,
    "h": 32.2
  },
  "luminance": 0.12533
}

Semantic roles & 50–950 ramp

primary
#B33823
secondary
#69BBC9
accent
#D1EA3E
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160905
muted
#847B79

Preview Lab

Preview with #B33823

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

Preview Lab → · Contrast checker → · Palette generator →

#B33823 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva