#428F8B Color

#428F8B is rgb(66, 143, 139) in RGB and hsl(177, 37%, 41%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.

#428F8B

HEX#428F8B

RGBrgb(66, 143, 139)

HSLhsl(177, 37%, 41%)

HSVhsv(177, 54%, 56%)

OKLCHoklch(60.1% 0.076 190.8)

CMYKcmyk(54%, 0%, 3%, 44%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #428F8B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.8:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.53:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #428F8B based on color wheel relationships. Click any swatch for its full breakdown.

Base#428F8B Complementary#8F4246 Analogous#428F65 Analogous#426C8F Triadic#8B428F Triadic#8F8B42

Tints & Shades

Lighter tints and darker shades of #428F8B, useful for hover states, backgrounds, and text variants.

Tints

#4FABA7 #69BAB6 #85C7C3 #A4D5D3 #C0E2E0 #DCEFEE

Shades

#3A7E7A #306966 #285755 #204644 #183433 #0E1F1F

Use #428F8B in Our Tools

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