#B03535#B03535

#B03535 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.160 H 24.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#B03535
RGBrgb(176, 53, 53)
HSLhsl(0, 54%, 45%)
HSVhsv(0, 70%, 69%)
CMYKcmyk(0%, 69.9%, 69.9%, 31%)
CIE-LABlab(41.27, 49.64, 28.86)
CIE-LCHlch(41.27, 57.42, 30.17°)
OKLaboklab(51.29% 0.1449 0.0668)
OKLCHoklch(51.29% 0.16 24.7)
XYZxyz(19.8223, 12.0363, 4.6469)
Luminance0.1203 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B03535 #35B0B0
analogous
#B03573 #B03535 #B07335
triadic
#B03535 #35B035 #3535B0
tetradic
#B03535 #73B035 #35B0B0 #7335B0
square
#B03535 #73B035 #35B0B0 #7335B0
split-complementary
#B03535 #35B073 #3573B0
monochromatic
#521919 #812727 #B03535 #CC5656 #DA8585

Accessibility & contrast

On white

6.16
#B03535 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#B03535 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03535
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B03535#FFFFFF#000000##FFFFFF
##B035351.006.163.416.16
#FFFFFF6.161.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#575034
Deuteranopia (green-blind)
#766B31
Tritanopia (blue-blind)
#C10E36
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b03535;
/* rgb */ color: rgb(176, 53, 53);
/* oklch */ color: oklch(51.3% 0.160 24.7);
Tailwind
colors: {
  custom: {
    50: '#cf746c',
    500: '#b03535',
    950: '#000000',
  },
}
SCSS
$custom: #b03535;
$custom-light: #cf746c;
$custom-dark: #000000;
JSON
{
  "hex": "#b03535",
  "rgb": {
    "r": 176,
    "g": 53,
    "b": 53
  },
  "hsl": {
    "h": 0,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51287,
    "c": 0.15952,
    "h": 24.7
  },
  "luminance": 0.12033
}

Semantic roles & 50–950 ramp

primary
#B03535
secondary
#7DC4C4
accent
#DDDD4B
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A

Preview Lab

Preview with #B03535

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

Preview Lab → · Contrast checker → · Palette generator →

#B03535 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva