#128BBF Color

#128BBF is rgb(18, 139, 191) in RGB and hsl(198, 83%, 41%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#128BBF

HEX#128BBF

RGBrgb(18, 139, 191)

HSLhsl(198, 83%, 41%)

HSVhsv(198, 91%, 75%)

OKLCHoklch(60.1% 0.123 234.8)

CMYKcmyk(91%, 27%, 0%, 25%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #128BBF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.84:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.47:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #128BBF based on color wheel relationships. Click any swatch for its full breakdown.

Base#128BBF Complementary#BF4612 Analogous#12BF9D Analogous#1234BF Triadic#BF128B Triadic#8BBF12

Tints & Shades

Lighter tints and darker shades of #128BBF, useful for hover states, backgrounds, and text variants.

Tints

#15A6E5 #36B6EC #5CC3F0 #86D3F4 #ABE0F7 #D0EEFB

Shades

#107AA8 #0D668C #0B5575 #09445D #073346 #041F2A

Use #128BBF in Our Tools

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