#427EBF#427EBF

#427EBF is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.3% C 0.118 H 252.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#427EBF
RGBrgb(66, 126, 191)
HSLhsl(211, 49%, 50%)
HSVhsv(211, 65%, 75%)
CMYKcmyk(65.4%, 34%, 0%, 25.1%)
CIE-LABlab(51.66, 1.29, -39.79)
CIE-LCHlch(51.66, 39.81, 271.86°)
OKLaboklab(58.29% -0.0363 -0.1127)
OKLCHoklch(58.29% 0.118 252.2)
XYZxyz(19.1081, 19.8396, 52.1025)
Luminance0.1984 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427EBF #BF8342
analogous
#42BCBF #427EBF #4442BF
triadic
#427EBF #BF427E #7EBF42
tetradic
#427EBF #BF42BC #BF8342 #42BF44
square
#427EBF #BF42BC #BF8342 #42BF44
split-complementary
#427EBF #BF4442 #BCBF42
monochromatic
#224265 #326092 #427EBF #709DCE #9DBCDE

Accessibility & contrast

On white

4.23
#427EBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.97
#427EBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EBF
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427EBF#FFFFFF#000000##000000
##427EBF1.004.234.974.97
#FFFFFF4.231.0021.0021.00
#0000004.9721.001.001.00
##0000004.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6282C2
Deuteranopia (green-blind)
#5076BE
Tritanopia (blue-blind)
#008D96
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #427ebf;
/* rgb */ color: rgb(66, 126, 191);
/* oklch */ color: oklch(58.3% 0.118 252.2);
Tailwind
colors: {
  custom: {
    50: '#83a3d2',
    500: '#427ebf',
    950: '#000000',
  },
}
SCSS
$custom: #427ebf;
$custom-light: #83a3d2;
$custom-dark: #000000;
JSON
{
  "hex": "#427ebf",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 211.2,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58291,
    "c": 0.11843,
    "h": 252.2
  },
  "luminance": 0.19842
}

Semantic roles & 50–950 ramp

primary
#427EBF
secondary
#CAB093
accent
#974FD9
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0F14
muted
#7D7E82

Preview Lab

Preview with #427EBF

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

Preview Lab → · Contrast checker → · Palette generator →

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