#1B63BB Color

#1B63BB is rgb(27, 99, 187) in RGB and hsl(213, 75%, 42%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#1B63BB

HEX#1B63BB

RGBrgb(27, 99, 187)

HSLhsl(213, 75%, 42%)

HSVhsv(213, 86%, 73%)

OKLCHoklch(50.7% 0.155 256.3)

CMYKcmyk(86%, 47%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B63BB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.92:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.55:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B63BB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B63BB Complementary#BB731B Analogous#1BB3BB Analogous#231BBB Triadic#BB1B63 Triadic#63BB1B

Tints & Shades

Lighter tints and darker shades of #1B63BB, useful for hover states, backgrounds, and text variants.

Tints

#2076DF #448CE4 #67A2E9 #8BB8EE #AFCEF4 #D2E4F9

Shades

#1857A5 #14498A #113D74 #0D2F59 #0A2343 #061528

Use #1B63BB in Our Tools

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