#B53B45#B53B45

#B53B45 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.157 H 19.7°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX#B53B45
RGBrgb(181, 59, 69)
HSLhsl(355, 51%, 47%)
HSVhsv(355, 67%, 71%)
CMYKcmyk(0%, 67.4%, 61.9%, 29%)
CIE-LABlab(43.34, 49.81, 21.92)
CIE-LCHlch(43.34, 54.42, 23.75°)
OKLaboklab(53.08% 0.148 0.053)
OKLCHoklch(53.08% 0.157 19.7)
XYZxyz(21.6963, 13.3844, 7.0700)
Luminance0.1338 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B53B45 #3BB5AB
analogous
#B53B82 #B53B45 #B56E3B
triadic
#B53B45 #45B53B #3B45B5
tetradic
#B53B45 #82B53B #3BB5AB #6E3BB5
square
#B53B45 #82B53B #3BB5AB #6E3BB5
split-complementary
#B53B45 #3BB56E #3B82B5
monochromatic
#591D22 #872C33 #B53B45 #CC626A #DB9096

Accessibility & contrast

On white

5.71
#B53B45 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.68
#B53B45 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B45
5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B53B45#FFFFFF#000000##FFFFFF
##B53B451.005.713.685.71
#FFFFFF5.711.0021.001.00
#0000003.6821.001.0021.00
##FFFFFF5.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5645
Deuteranopia (green-blind)
#7A7042
Tritanopia (blue-blind)
#C61E40
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #b53b45;
/* rgb */ color: rgb(181, 59, 69);
/* oklch */ color: oklch(53.1% 0.157 19.7);
Tailwind
colors: {
  custom: {
    50: '#d27878',
    500: '#b53b45',
    950: '#000000',
  },
}
SCSS
$custom: #b53b45;
$custom-light: #d27878;
$custom-dark: #000000;
JSON
{
  "hex": "#b53b45",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 69
  },
  "hsl": {
    "h": 355.082,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53083,
    "c": 0.1572,
    "h": 19.7
  },
  "luminance": 0.13381
}

Semantic roles & 50–950 ramp

primary
#B53B45
secondary
#86C6C0
accent
#DACF4D
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150909
muted
#837B7B

Preview Lab

Preview with #B53B45

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

Preview Lab → · Contrast checker → · Palette generator →

#B53B45 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva