#B03A36#B03A36

#B03A36 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.154 H 26.0°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#B03A36
RGBrgb(176, 58, 54)
HSLhsl(2, 53%, 45%)
HSVhsv(2, 69%, 69%)
CMYKcmyk(0%, 67%, 69.3%, 31%)
CIE-LABlab(42.04, 47.65, 29.17)
CIE-LCHlch(42.04, 55.87, 31.48°)
OKLaboklab(51.87% 0.1388 0.0676)
OKLCHoklch(51.87% 0.154 26)
XYZxyz(20.0855, 12.5254, 4.8493)
Luminance0.1252 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B03A36 #36ACB0
analogous
#B0366F #B03A36 #B07736
triadic
#B03A36 #36B03A #3A36B0
tetradic
#B03A36 #6FB036 #36ACB0 #7736B0
square
#B03A36 #6FB036 #36ACB0 #7736B0
split-complementary
#B03A36 #36B077 #366FB0
monochromatic
#521B19 #812B28 #B03A36 #CC5B58 #DA8986

Accessibility & contrast

On white

5.99
#B03A36 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#B03A36 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A36
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B03A36#FFFFFF#000000##FFFFFF
##B03A361.005.993.505.99
#FFFFFF5.991.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF5.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A5335
Deuteranopia (green-blind)
#786D32
Tritanopia (blue-blind)
#C11B3A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b03a36;
/* rgb */ color: rgb(176, 58, 54);
/* oklch */ color: oklch(51.9% 0.154 26.0);
Tailwind
colors: {
  custom: {
    50: '#cf776d',
    500: '#b03a36',
    950: '#000000',
  },
}
SCSS
$custom: #b03a36;
$custom-light: #cf776d;
$custom-dark: #000000;
JSON
{
  "hex": "#b03a36",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 1.967,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51865,
    "c": 0.15439,
    "h": 26
  },
  "luminance": 0.12523
}

Semantic roles & 50–950 ramp

primary
#B03A36
secondary
#7EC2C4
accent
#D8DC4B
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A

Preview Lab

Preview with #B03A36

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

Preview Lab → · Contrast checker → · Palette generator →

#B03A36 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva