#427FBE#427FBE

#427FBE is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.116 H 251.1°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#427FBE
RGBrgb(66, 127, 190)
HSLhsl(210, 49%, 50%)
HSVhsv(210, 65%, 75%)
CMYKcmyk(65.3%, 33.2%, 0%, 25.5%)
CIE-LABlab(51.90, 0.34, -38.83)
CIE-LCHlch(51.90, 38.83, 270.51°)
OKLaboklab(58.46% -0.0376 -0.1099)
OKLCHoklch(58.46% 0.116 251.1)
XYZxyz(19.1270, 20.0528, 51.5678)
Luminance0.2006 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427FBE #BE8142
analogous
#42BDBE #427FBE #4342BE
triadic
#427FBE #BE427F #7FBE42
tetradic
#427FBE #BE42BD #BE8142 #42BE43
square
#427FBE #BE42BD #BE8142 #42BE43
split-complementary
#427FBE #BE4342 #BDBE42
monochromatic
#224263 #326191 #427FBE #709ECE #9DBDDD

Accessibility & contrast

On white

4.19
#427FBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#427FBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FBE
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427FBE#FFFFFF#000000##000000
##427FBE1.004.195.015.01
#FFFFFF4.191.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6482C1
Deuteranopia (green-blind)
#5276BD
Tritanopia (blue-blind)
#008E96
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #427fbe;
/* rgb */ color: rgb(66, 127, 190);
/* oklch */ color: oklch(58.5% 0.116 251.1);
Tailwind
colors: {
  custom: {
    50: '#83a3d2',
    500: '#427fbe',
    950: '#000000',
  },
}
SCSS
$custom: #427fbe;
$custom-light: #83a3d2;
$custom-dark: #000000;
JSON
{
  "hex": "#427fbe",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 190
  },
  "hsl": {
    "h": 210.484,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58464,
    "c": 0.1162,
    "h": 251.1
  },
  "luminance": 0.20055
}

Semantic roles & 50–950 ramp

primary
#427FBE
secondary
#CAAE92
accent
#954FD8
background
#F8FAFC
surface
#F0F3F9
border
#CBCDD2
text
#0C0F14
muted
#7D7F82

Preview Lab

Preview with #427FBE

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

Preview Lab → · Contrast checker → · Palette generator →

#427FBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva