#427DBF#427DBF

#427DBF is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.119 H 252.8°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#427DBF
RGBrgb(66, 125, 191)
HSLhsl(212, 49%, 50%)
HSVhsv(212, 65%, 75%)
CMYKcmyk(65.4%, 34.6%, 0%, 25.1%)
CIE-LABlab(51.37, 1.89, -40.24)
CIE-LCHlch(51.37, 40.29, 272.69°)
OKLaboklab(58.06% -0.0353 -0.1141)
OKLCHoklch(58.06% 0.119 252.8)
XYZxyz(18.9809, 19.5852, 52.0601)
Luminance0.1959 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427DBF #BF8442
analogous
#42BBBF #427DBF #4542BF
triadic
#427DBF #BF427D #7DBF42
tetradic
#427DBF #BF42BB #BF8442 #42BF45
square
#427DBF #BF42BB #BF8442 #42BF45
split-complementary
#427DBF #BF4542 #BBBF42
monochromatic
#224165 #325F92 #427DBF #709CCE #9DBCDE

Accessibility & contrast

On white

4.27
#427DBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#427DBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DBF
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427DBF#FFFFFF#000000##000000
##427DBF1.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6081C2
Deuteranopia (green-blind)
#4F75BE
Tritanopia (blue-blind)
#008C95
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #427dbf;
/* rgb */ color: rgb(66, 125, 191);
/* oklch */ color: oklch(58.1% 0.119 252.8);
Tailwind
colors: {
  custom: {
    50: '#83a2d2',
    500: '#427dbf',
    950: '#000000',
  },
}
SCSS
$custom: #427dbf;
$custom-light: #83a2d2;
$custom-dark: #000000;
JSON
{
  "hex": "#427dbf",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 191
  },
  "hsl": {
    "h": 211.68,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58063,
    "c": 0.11941,
    "h": 252.8
  },
  "luminance": 0.19587
}

Semantic roles & 50–950 ramp

primary
#427DBF
secondary
#CAB093
accent
#984FD9
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0F14
muted
#7D7E82

Preview Lab

Preview with #427DBF

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

Preview Lab → · Contrast checker → · Palette generator →

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