#428BFF Color

#428BFF is rgb(66, 139, 255) in RGB and hsl(217, 100%, 63%) in HSL. The closest CSS named color is DodgerBlue. Black text is most readable on this background.

#428BFF

HEX#428BFF

RGBrgb(66, 139, 255)

HSLhsl(217, 100%, 63%)

HSVhsv(217, 74%, 100%)

OKLCHoklch(65% 0.187 259.4)

CMYKcmyk(74%, 45%, 0%, 0%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #428BFF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.3:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text6.37:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #428BFF based on color wheel relationships. Click any swatch for its full breakdown.

Base#428BFF Complementary#FFB742 Analogous#42E9FF Analogous#5842FF Triadic#FF428B Triadic#8BFF42

Tints & Shades

Lighter tints and darker shades of #428BFF, useful for hover states, backgrounds, and text variants.

Tints

#5C9AFF #75AAFF #8FBAFF #A8CAFF #C2D9FF #DBE9FF

Shades

#1A71FF #005AEB #004AC2 #003994 #00296B #00173D

Use #428BFF in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex