#CB3F5B#CB3F5B

#CB3F5B is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.6% C 0.176 H 13.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#CB3F5B
RGBrgb(203, 63, 91)
HSLhsl(348, 57%, 52%)
HSVhsv(348, 69%, 80%)
CMYKcmyk(0%, 69%, 55.2%, 20.4%)
CIE-LABlab(48.27, 56.82, 15.76)
CIE-LCHlch(48.27, 58.97, 15.50°)
OKLaboklab(57.63% 0.1715 0.0395)
OKLCHoklch(57.63% 0.176 13)
XYZxyz(28.2970, 17.0107, 11.6888)
Luminance0.1701 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB3F5B #3FCBAF
analogous
#CB3FA1 #CB3F5B #CB693F
triadic
#CB3F5B #5BCB3F #3F5BCB
tetradic
#CB3F5B #A1CB3F #3FCBAF #693FCB
square
#CB3F5B #A1CB3F #3FCBAF #693FCB
split-complementary
#CB3F5B #3FCB69 #3FA1CB
monochromatic
#711F2F #A12C43 #CB3F5B #D86F84 #E59FAD

Accessibility & contrast

On white

4.77
#CB3F5B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.40
#CB3F5B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3F5B
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB3F5B#FFFFFF#000000##FFFFFF
##CB3F5B1.004.774.404.77
#FFFFFF4.771.0021.001.00
#0000004.4021.001.0021.00
##FFFFFF4.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62605B
Deuteranopia (green-blind)
#867D57
Tritanopia (blue-blind)
#DE214A
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #cb3f5b;
/* rgb */ color: rgb(203, 63, 91);
/* oklch */ color: oklch(57.6% 0.176 13.0);
Tailwind
colors: {
  custom: {
    50: '#e17d89',
    500: '#cb3f5b',
    950: '#000000',
  },
}
SCSS
$custom: #cb3f5b;
$custom-light: #e17d89;
$custom-dark: #000000;
JSON
{
  "hex": "#cb3f5b",
  "rgb": {
    "r": 203,
    "g": 63,
    "b": 91
  },
  "hsl": {
    "h": 348,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57634,
    "c": 0.17596,
    "h": 13
  },
  "luminance": 0.17007
}

Semantic roles & 50–950 ramp

primary
#CB3F5B
secondary
#94D1C5
accent
#E1C247
background
#FEF8F8
surface
#FDEFF0
border
#D5CACB
text
#170A0B
muted
#857C7C

Preview Lab

Preview with #CB3F5B

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

Preview Lab → · Contrast checker → · Palette generator →

#CB3F5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva