#B03351#B03351

#B03351 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.161 H 10.8°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#B03351
RGBrgb(176, 51, 81)
HSLhsl(346, 55%, 45%)
HSVhsv(346, 71%, 69%)
CMYKcmyk(0%, 71%, 54%, 31%)
CIE-LABlab(41.52, 52.27, 11.89)
CIE-LCHlch(41.52, 53.61, 12.81°)
OKLaboklab(51.65% 0.1584 0.0301)
OKLCHoklch(51.65% 0.161 10.8)
XYZxyz(20.5754, 12.1946, 9.0533)
Luminance0.1219 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B03351 #33B092
analogous
#B03390 #B03351 #B05433
triadic
#B03351 #51B033 #3351B0
tetradic
#B03351 #90B033 #33B092 #5433B0
square
#B03351 #90B033 #33B092 #5433B0
split-complementary
#B03351 #33B054 #3390B0
monochromatic
#511825 #81253B #B03351 #CD5370 #DB8298

Accessibility & contrast

On white

6.11
#B03351 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.44
#B03351 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03351
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B03351#FFFFFF#000000##FFFFFF
##B033511.006.113.446.11
#FFFFFF6.111.0021.001.00
#0000003.4421.001.0021.00
##FFFFFF6.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#525251
Deuteranopia (green-blind)
#726B4E
Tritanopia (blue-blind)
#C0183F
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #b03351;
/* rgb */ color: rgb(176, 51, 81);
/* oklch */ color: oklch(51.6% 0.161 10.8);
Tailwind
colors: {
  custom: {
    50: '#ce7481',
    500: '#b03351',
    950: '#000000',
  },
}
SCSS
$custom: #b03351;
$custom-light: #ce7481;
$custom-dark: #000000;
JSON
{
  "hex": "#b03351",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 81
  },
  "hsl": {
    "h": 345.6,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51646,
    "c": 0.16122,
    "h": 10.8
  },
  "luminance": 0.12192
}

Semantic roles & 50–950 ramp

primary
#B03351
secondary
#7BC4B3
accent
#DEBB49
background
#FDF7F7
surface
#FAEDEE
border
#D3C8C9
text
#15090A
muted
#837B7C

Preview Lab

Preview with #B03351

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

Preview Lab → · Contrast checker → · Palette generator →

#B03351 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva