#427DBE#427DBE

#427DBE is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.118 H 252.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#427DBE
RGBrgb(66, 125, 190)
HSLhsl(211, 49%, 50%)
HSVhsv(211, 65%, 75%)
CMYKcmyk(65.3%, 34.2%, 0%, 25.5%)
CIE-LABlab(51.31, 1.54, -39.75)
CIE-LCHlch(51.31, 39.78, 272.22°)
OKLaboklab(58.01% -0.0355 -0.1126)
OKLCHoklch(58.01% 0.118 252.5)
XYZxyz(18.8712, 19.5413, 51.4825)
Luminance0.1954 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427DBE #BE8342
analogous
#42BBBE #427DBE #4542BE
triadic
#427DBE #BE427D #7DBE42
tetradic
#427DBE #BE42BB #BE8342 #42BE45
square
#427DBE #BE42BB #BE8342 #42BE45
split-complementary
#427DBE #BE4542 #BBBE42
monochromatic
#224163 #325F91 #427DBE #709CCE #9DBCDD

Accessibility & contrast

On white

4.28
#427DBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.91
#427DBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DBE
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427DBE#FFFFFF#000000##000000
##427DBE1.004.284.914.91
#FFFFFF4.281.0021.0021.00
#0000004.9121.001.001.00
##0000004.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6181C1
Deuteranopia (green-blind)
#4F75BD
Tritanopia (blue-blind)
#008C95
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #427dbe;
/* rgb */ color: rgb(66, 125, 190);
/* oklch */ color: oklch(58.0% 0.118 252.5);
Tailwind
colors: {
  custom: {
    50: '#83a2d2',
    500: '#427dbe',
    950: '#000000',
  },
}
SCSS
$custom: #427dbe;
$custom-light: #83a2d2;
$custom-dark: #000000;
JSON
{
  "hex": "#427dbe",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 190
  },
  "hsl": {
    "h": 211.452,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58007,
    "c": 0.1181,
    "h": 252.5
  },
  "luminance": 0.19543
}

Semantic roles & 50–950 ramp

primary
#427DBE
secondary
#CAAF92
accent
#974FD8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0F14
muted
#7D7E82

Preview Lab

Preview with #427DBE

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

Preview Lab → · Contrast checker → · Palette generator →

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