#128CC4 Color

#128CC4 is rgb(18, 140, 196) in RGB and hsl(199, 83%, 42%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#128CC4

HEX#128CC4

RGBrgb(18, 140, 196)

HSLhsl(199, 83%, 42%)

HSVhsv(199, 91%, 77%)

OKLCHoklch(60.6% 0.128 236.6)

CMYKcmyk(91%, 29%, 0%, 23%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #128CC4 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 text5.57:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #128CC4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#128CC4 Complementary#C44B12 Analogous#12C4A3 Analogous#1233C4 Triadic#C4128C Triadic#8CC412

Tints & Shades

Lighter tints and darker shades of #128CC4, useful for hover states, backgrounds, and text variants.

Tints

#16A6E9 #3BB4ED #60C3F0 #86D1F4 #ABDFF7 #D0EDFB

Shades

#107BAD #0D6791 #0B5679 #09435D #073246 #041E2A

Use #128CC4 in Our Tools

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