#428BB8 Color

#428BB8 is rgb(66, 139, 184) in RGB and hsl(203, 47%, 49%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#428BB8

HEX#428BB8

RGBrgb(66, 139, 184)

HSLhsl(203, 47%, 49%)

HSVhsv(203, 64%, 72%)

OKLCHoklch(60.9% 0.1 238.5)

CMYKcmyk(64%, 24%, 0%, 28%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #428BB8 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.74:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.62:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #428BB8 based on color wheel relationships. Click any swatch for its full breakdown.

Base#428BB8 Complementary#B86F42 Analogous#42B8AA Analogous#4250B8 Triadic#B8428B Triadic#8BB842

Tints & Shades

Lighter tints and darker shades of #428BB8, useful for hover states, backgrounds, and text variants.

Tints

#5A9BC4 #74ABCD #8FBBD6 #A9CBE0 #C3DBE9 #DDEBF3

Shades

#3A7AA1 #316687 #295570 #1F4156 #173040 #0E1C25

Use #428BB8 in Our Tools

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