#427DDC#427DDC

#427DDC is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.8% C 0.158 H 259.5°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX#427DDC
RGBrgb(66, 125, 220)
HSLhsl(217, 69%, 56%)
HSVhsv(217, 70%, 86%)
CMYKcmyk(70%, 43.2%, 0%, 13.7%)
CIE-LABlab(52.94, 12.13, -54.21)
CIE-LCHlch(52.94, 55.55, 282.61°)
OKLaboklab(59.8% -0.0287 -0.155)
OKLCHoklch(59.8% 0.158 259.5)
XYZxyz(22.4940, 20.9904, 70.5624)
Luminance0.2099 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427DDC #DCA142
analogous
#42CADC #427DDC #5442DC
triadic
#427DDC #DC427D #7DDC42
tetradic
#427DDC #DC42CA #DCA142 #42DC54
square
#427DDC #DC42CA #DCA142 #42DC54
split-complementary
#427DDC #DC5442 #CADC42
monochromatic
#1A458A #235EBE #427DDC #76A1E6 #A9C4EF

Accessibility & contrast

On white

4.04
#427DDC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.20
#427DDC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DDC
5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427DDC#FFFFFF#000000##000000
##427DDC1.004.045.205.20
#FFFFFF4.041.0021.0021.00
#0000005.2021.001.001.00
##0000005.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#4F86E0
Deuteranopia (green-blind)
#3378DA
Tritanopia (blue-blind)
#0093A2
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #427ddc;
/* rgb */ color: rgb(66, 125, 220);
/* oklch */ color: oklch(59.8% 0.158 259.5);
Tailwind
colors: {
  custom: {
    50: '#88a2e7',
    500: '#427ddc',
    950: '#000000',
  },
}
SCSS
$custom: #427ddc;
$custom-light: #88a2e7;
$custom-dark: #000000;
JSON
{
  "hex": "#427ddc",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 220
  },
  "hsl": {
    "h": 217.013,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59799,
    "c": 0.15765,
    "h": 259.5
  },
  "luminance": 0.20993
}

Semantic roles & 50–950 ramp

primary
#427DDC
secondary
#DDC49D
accent
#A83CEC
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0F16
muted
#7E7E84

Preview Lab

Preview with #427DDC

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

Preview Lab → · Contrast checker → · Palette generator →

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