#CB3D5B#CB3D5B

#CB3D5B is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.4% C 0.178 H 12.5°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX#CB3D5B
RGBrgb(203, 61, 91)
HSLhsl(347, 58%, 52%)
HSVhsv(347, 70%, 80%)
CMYKcmyk(0%, 70%, 55.2%, 20.4%)
CIE-LABlab(48.00, 57.58, 15.39)
CIE-LCHlch(48.00, 59.60, 14.96°)
OKLaboklab(57.43% 0.1739 0.0386)
OKLCHoklch(57.43% 0.178 12.5)
XYZxyz(28.1883, 16.7932, 11.6526)
Luminance0.1679 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB3D5B #3DCBAD
analogous
#CB3DA2 #CB3D5B #CB663D
triadic
#CB3D5B #5BCB3D #3D5BCB
tetradic
#CB3D5B #A2CB3D #3DCBAD #663DCB
square
#CB3D5B #A2CB3D #3DCBAD #663DCB
split-complementary
#CB3D5B #3DCB66 #3DA2CB
monochromatic
#701E2F #A02B44 #CB3D5B #D86D84 #E59EAD

Accessibility & contrast

On white

4.82
#CB3D5B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.36
#CB3D5B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D5B
4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB3D5B#FFFFFF#000000##FFFFFF
##CB3D5B1.004.824.364.82
#FFFFFF4.821.0021.001.00
#0000004.3621.001.0021.00
##FFFFFF4.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#615F5B
Deuteranopia (green-blind)
#857D57
Tritanopia (blue-blind)
#DE1D49
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #cb3d5b;
/* rgb */ color: rgb(203, 61, 91);
/* oklch */ color: oklch(57.4% 0.178 12.5);
Tailwind
colors: {
  custom: {
    50: '#e17c89',
    500: '#cb3d5b',
    950: '#000000',
  },
}
SCSS
$custom: #cb3d5b;
$custom-light: #e17c89;
$custom-dark: #000000;
JSON
{
  "hex": "#cb3d5b",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 91
  },
  "hsl": {
    "h": 347.324,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5743,
    "c": 0.17812,
    "h": 12.5
  },
  "luminance": 0.16789
}

Semantic roles & 50–950 ramp

primary
#CB3D5B
secondary
#93D1C4
accent
#E1C047
background
#FEF8F8
surface
#FDEFF0
border
#D5CACB
text
#170A0B
muted
#857C7C

Preview Lab

Preview with #CB3D5B

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

Preview Lab → · Contrast checker → · Palette generator →

#CB3D5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva