#428BB3 Color

#428BB3 is rgb(66, 139, 179) in RGB and hsl(201, 46%, 48%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#428BB3

HEX#428BB3

RGBrgb(66, 139, 179)

HSLhsl(201, 46%, 48%)

HSVhsv(201, 63%, 70%)

OKLCHoklch(60.7% 0.095 235.3)

CMYKcmyk(63%, 22%, 0%, 30%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #428BB3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.77:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.58:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #428BB3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#428BB3 Complementary#B36A42 Analogous#42B3A2 Analogous#4253B3 Triadic#B3428B Triadic#8BB342

Tints & Shades

Lighter tints and darker shades of #428BB3, useful for hover states, backgrounds, and text variants.

Tints

#579CC1 #72ABCB #8CBBD4 #A9CCDF #C3DCE9 #DDEBF3

Shades

#3A7A9C #306682 #28546C #204356 #17313F #0E1D25

Use #428BB3 in Our Tools

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