#CF3947#CF3947

#CF3947 is a mid, vivid red. Relative luminance 0.166; OKLCH L 57.3% C 0.186 H 20.4°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#CF3947
RGBrgb(207, 57, 71)
HSLhsl(354, 61%, 52%)
HSVhsv(354, 72%, 81%)
CMYKcmyk(0%, 72.5%, 65.7%, 18.8%)
CIE-LABlab(47.82, 58.94, 27.39)
CIE-LCHlch(47.82, 65.00, 24.92°)
OKLaboklab(57.3% 0.1742 0.0648)
OKLCHoklch(57.3% 0.186 20.4)
XYZxyz(28.3356, 16.6508, 7.6819)
Luminance0.1665 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CF3947 #39CFC1
analogous
#CF3992 #CF3947 #CF7639
triadic
#CF3947 #47CF39 #3947CF
tetradic
#CF3947 #92CF39 #39CFC1 #7639CF
square
#CF3947 #92CF39 #39CFC1 #7639CF
split-complementary
#CF3947 #39CF76 #3992CF
monochromatic
#721C24 #A32833 #CF3947 #DB6A75 #E79CA3

Accessibility & contrast

On white

4.85
#CF3947 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.33
#CF3947 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3947
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CF3947#FFFFFF#000000##FFFFFF
##CF39471.004.854.334.85
#FFFFFF4.851.0021.001.00
#0000004.3321.001.0021.00
##FFFFFF4.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635D46
Deuteranopia (green-blind)
#897D43
Tritanopia (blue-blind)
#E3003F
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #cf3947;
/* rgb */ color: rgb(207, 57, 71);
/* oklch */ color: oklch(57.3% 0.186 20.4);
Tailwind
colors: {
  custom: {
    50: '#e67a7a',
    500: '#cf3947',
    950: '#000000',
  },
}
SCSS
$custom: #cf3947;
$custom-light: #e67a7a;
$custom-dark: #000000;
JSON
{
  "hex": "#cf3947",
  "rgb": {
    "r": 207,
    "g": 57,
    "b": 71
  },
  "hsl": {
    "h": 354.4,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57304,
    "c": 0.18588,
    "h": 20.4
  },
  "luminance": 0.16647
}

Semantic roles & 50–950 ramp

primary
#CF3947
secondary
#91D3CD
accent
#E4D544
background
#FFF7F7
surface
#FEEEED
border
#D6C9C8
text
#170A09
muted
#857C7B

Preview Lab

Preview with #CF3947

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

Preview Lab → · Contrast checker → · Palette generator →

#CF3947 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva