#CB3A57#CB3A57

#CB3A57 is a mid, vivid red. Relative luminance 0.164; OKLCH L 57.0% C 0.181 H 13.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#CB3A57
RGBrgb(203, 58, 87)
HSLhsl(348, 58%, 51%)
HSVhsv(348, 71%, 80%)
CMYKcmyk(0%, 71.4%, 57.1%, 20.4%)
CIE-LABlab(47.51, 58.39, 17.17)
CIE-LCHlch(47.51, 60.86, 16.38°)
OKLaboklab(57.04% 0.1759 0.0427)
OKLCHoklch(57.04% 0.181 13.6)
XYZxyz(27.8646, 16.4147, 10.7160)
Luminance0.1641 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB3A57 #3ACBAE
analogous
#CB3A9F #CB3A57 #CB653A
triadic
#CB3A57 #57CB3A #3A57CB
tetradic
#CB3A57 #9FCB3A #3ACBAE #653ACB
square
#CB3A57 #9FCB3A #3ACBAE #653ACB
split-complementary
#CB3A57 #3ACB65 #3A9FCB
monochromatic
#6E1D2D #9E2A41 #CB3A57 #D86A80 #E59BAA

Accessibility & contrast

On white

4.90
#CB3A57 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.28
#CB3A57 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3A57
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB3A57#FFFFFF#000000##FFFFFF
##CB3A571.004.904.284.90
#FFFFFF4.901.0021.001.00
#0000004.2821.001.0021.00
##FFFFFF4.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#605E57
Deuteranopia (green-blind)
#857C53
Tritanopia (blue-blind)
#DE1346
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #cb3a57;
/* rgb */ color: rgb(203, 58, 87);
/* oklch */ color: oklch(57.0% 0.181 13.6);
Tailwind
colors: {
  custom: {
    50: '#e27b86',
    500: '#cb3a57',
    950: '#000000',
  },
}
SCSS
$custom: #cb3a57;
$custom-light: #e27b86;
$custom-dark: #000000;
JSON
{
  "hex": "#cb3a57",
  "rgb": {
    "r": 203,
    "g": 58,
    "b": 87
  },
  "hsl": {
    "h": 348,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57042,
    "c": 0.18097,
    "h": 13.6
  },
  "luminance": 0.16411
}

Semantic roles & 50–950 ramp

primary
#CB3A57
secondary
#90D0C4
accent
#E1C246
background
#FEF7F8
surface
#FDEEEF
border
#D5C9CA
text
#170A0B
muted
#857C7C

Preview Lab

Preview with #CB3A57

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

Preview Lab → · Contrast checker → · Palette generator →

#CB3A57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva