#1B58BB Color

#1B58BB is rgb(27, 88, 187) in RGB and hsl(217, 75%, 42%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1B58BB

HEX#1B58BB

RGBrgb(27, 88, 187)

HSLhsl(217, 75%, 42%)

HSVhsv(217, 86%, 73%)

OKLCHoklch(48.2% 0.168 260)

CMYKcmyk(86%, 53%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B58BB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.65:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.16:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B58BB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B58BB Complementary#BB7E1B Analogous#1BA9BB Analogous#2E1BBB Triadic#BB1B58 Triadic#58BB1B

Tints & Shades

Lighter tints and darker shades of #1B58BB, useful for hover states, backgrounds, and text variants.

Tints

#2069DF #4481E4 #6799E9 #8BB1EE #AFC9F4 #D2E1F9

Shades

#184EA5 #14418A #113774 #0D2A59 #0A2043 #061328

Use #1B58BB in Our Tools

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