#1B53BB Color

#1B53BB is rgb(27, 83, 187) in RGB and hsl(219, 75%, 42%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1B53BB

HEX#1B53BB

RGBrgb(27, 83, 187)

HSLhsl(219, 75%, 42%)

HSVhsv(219, 86%, 73%)

OKLCHoklch(47.2% 0.174 261.4)

CMYKcmyk(86%, 56%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B53BB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7:1AA normal ✓AA large ✓AAA normal ✗

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

Color Harmonies

Colors that pair well with #1B53BB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B53BB Complementary#BB831B Analogous#1BA3BB Analogous#331BBB Triadic#BB1B53 Triadic#53BB1B

Tints & Shades

Lighter tints and darker shades of #1B53BB, useful for hover states, backgrounds, and text variants.

Tints

#2063DF #447CE4 #6795E9 #8BAEEE #AFC7F4 #D2E0F9

Shades

#1849A5 #143D8A #113374 #0D2859 #0A1E43 #061228

Use #1B53BB in Our Tools

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