#CB3F56#CB3F56

#CB3F56 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.5% C 0.176 H 15.2°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#CB3F56
RGBrgb(203, 63, 86)
HSLhsl(350, 57%, 52%)
HSVhsv(350, 69%, 80%)
CMYKcmyk(0%, 69%, 57.6%, 20.4%)
CIE-LABlab(48.17, 56.46, 18.66)
CIE-LCHlch(48.17, 59.46, 18.29°)
OKLaboklab(57.52% 0.1695 0.0461)
OKLCHoklch(57.52% 0.176 15.2)
XYZxyz(28.0885, 16.9273, 10.5905)
Luminance0.1692 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB3F56 #3FCBB4
analogous
#CB3F9C #CB3F56 #CB6E3F
triadic
#CB3F56 #56CB3F #3F56CB
tetradic
#CB3F56 #9CCB3F #3FCBB4 #6E3FCB
square
#CB3F56 #9CCB3F #3FCBB4 #6E3FCB
split-complementary
#CB3F56 #3FCB6E #3F9CCB
monochromatic
#711F2C #A12C3F #CB3F56 #D86F80 #E59FAB

Accessibility & contrast

On white

4.79
#CB3F56 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.38
#CB3F56 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3F56
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB3F56#FFFFFF#000000##FFFFFF
##CB3F561.004.794.384.79
#FFFFFF4.791.0021.001.00
#0000004.3821.001.0021.00
##FFFFFF4.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#636056
Deuteranopia (green-blind)
#877D52
Tritanopia (blue-blind)
#DE1E48
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #cb3f56;
/* rgb */ color: rgb(203, 63, 86);
/* oklch */ color: oklch(57.5% 0.176 15.2);
Tailwind
colors: {
  custom: {
    50: '#e17d85',
    500: '#cb3f56',
    950: '#000000',
  },
}
SCSS
$custom: #cb3f56;
$custom-light: #e17d85;
$custom-dark: #000000;
JSON
{
  "hex": "#cb3f56",
  "rgb": {
    "r": 203,
    "g": 63,
    "b": 86
  },
  "hsl": {
    "h": 350.143,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57522,
    "c": 0.17568,
    "h": 15.2
  },
  "luminance": 0.16923
}

Semantic roles & 50–950 ramp

primary
#CB3F56
secondary
#94D1C7
accent
#E1C747
background
#FEF8F8
surface
#FDEFEF
border
#D5CACA
text
#170A0B
muted
#857C7C

Preview Lab

Preview with #CB3F56

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

Preview Lab → · Contrast checker → · Palette generator →

#CB3F56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva