#1B66BB Color

#1B66BB is rgb(27, 102, 187) in RGB and hsl(212, 75%, 42%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#1B66BB

HEX#1B66BB

RGBrgb(27, 102, 187)

HSLhsl(212, 75%, 42%)

HSVhsv(212, 86%, 73%)

OKLCHoklch(51.3% 0.151 255.1)

CMYKcmyk(86%, 45%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B66BB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.73:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.66:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B66BB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B66BB Complementary#BB701B Analogous#1BB6BB Analogous#201BBB Triadic#BB1B66 Triadic#66BB1B

Tints & Shades

Lighter tints and darker shades of #1B66BB, useful for hover states, backgrounds, and text variants.

Tints

#2079DF #448FE4 #67A4E9 #8BB9EE #AFCFF4 #D2E4F9

Shades

#185AA5 #144B8A #113F74 #0D3059 #0A2443 #061628

Use #1B66BB in Our Tools

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