#B43440#B43440

#B43440 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.164 H 19.9°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#B43440
RGBrgb(180, 52, 64)
HSLhsl(354, 55%, 45%)
HSVhsv(354, 71%, 71%)
CMYKcmyk(0%, 71.1%, 64.4%, 29.4%)
CIE-LABlab(42.05, 51.95, 23.29)
CIE-LCHlch(42.05, 56.93, 24.15°)
OKLaboklab(52.06% 0.154 0.0557)
OKLCHoklch(52.06% 0.164 19.9)
XYZxyz(20.9780, 12.5325, 6.1639)
Luminance0.1253 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43440 #34B4A8
analogous
#B43480 #B43440 #B46834
triadic
#B43440 #40B434 #3440B4
tetradic
#B43440 #80B434 #34B4A8 #6834B4
square
#B43440 #80B434 #34B4A8 #6834B4
split-complementary
#B43440 #34B468 #3480B4
monochromatic
#55191E #85262F #B43440 #CE5762 #DC868E

Accessibility & contrast

On white

5.99
#B43440 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#B43440 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43440
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43440#FFFFFF#000000##FFFFFF
##B434401.005.993.515.99
#FFFFFF5.991.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#575240
Deuteranopia (green-blind)
#776D3C
Tritanopia (blue-blind)
#C50C39
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b43440;
/* rgb */ color: rgb(180, 52, 64);
/* oklch */ color: oklch(52.1% 0.164 19.9);
Tailwind
colors: {
  custom: {
    50: '#d27474',
    500: '#b43440',
    950: '#000000',
  },
}
SCSS
$custom: #b43440;
$custom-light: #d27474;
$custom-dark: #000000;
JSON
{
  "hex": "#b43440",
  "rgb": {
    "r": 180,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 354.375,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5206,
    "c": 0.16371,
    "h": 19.9
  },
  "luminance": 0.12529
}

Semantic roles & 50–950 ramp

primary
#B43440
secondary
#7EC6BF
accent
#DFD149
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150908
muted
#837B7B

Preview Lab

Preview with #B43440

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

Preview Lab → · Contrast checker → · Palette generator →

#B43440 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva