#B45151#B45151

#B45151 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.0% C 0.129 H 22.1°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#B45151
RGBrgb(180, 81, 81)
HSLhsl(0, 40%, 51%)
HSVhsv(0, 55%, 71%)
CMYKcmyk(0%, 55%, 55%, 29.4%)
CIE-LABlab(47.22, 40.23, 19.72)
CIE-LCHlch(47.22, 44.80, 26.12°)
OKLaboklab(56.04% 0.1198 0.0487)
OKLCHoklch(56.04% 0.129 22.1)
XYZxyz(23.2519, 16.1850, 9.6825)
Luminance0.1618 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B45151 #51B4B4
analogous
#B45182 #B45151 #B48251
triadic
#B45151 #51B451 #5151B4
tetradic
#B45151 #82B451 #51B4B4 #8251B4
square
#B45151 #82B451 #51B4B4 #8251B4
split-complementary
#B45151 #51B482 #5182B4
monochromatic
#612A2A #8C3C3C #B45151 #C67C7C #D9A7A7

Accessibility & contrast

On white

4.96
#B45151 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.24
#B45151 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45151
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B45151#FFFFFF#000000##FFFFFF
##B451511.004.964.244.96
#FFFFFF4.961.0021.001.00
#0000004.2421.001.0021.00
##FFFFFF4.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#686350
Deuteranopia (green-blind)
#81784F
Tritanopia (blue-blind)
#C44152
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #b45151;
/* rgb */ color: rgb(180, 81, 81);
/* oklch */ color: oklch(56.0% 0.129 22.1);
Tailwind
colors: {
  custom: {
    50: '#cf8581',
    500: '#b45151',
    950: '#000000',
  },
}
SCSS
$custom: #b45151;
$custom-light: #cf8581;
$custom-dark: #000000;
JSON
{
  "hex": "#b45151",
  "rgb": {
    "r": 180,
    "g": 81,
    "b": 81
  },
  "hsl": {
    "h": 0,
    "s": 39.759,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56041,
    "c": 0.12936,
    "h": 22.1
  },
  "luminance": 0.16182
}

Semantic roles & 50–950 ramp

primary
#B45151
secondary
#9BC6C6
accent
#D0D058
background
#FDF8F7
surface
#FAEFEE
border
#D3CAC9
text
#150B0A
muted
#837C7C

Preview Lab

Preview with #B45151

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

Preview Lab → · Contrast checker → · Palette generator →

#B45151 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva