#1553B7 Color

#1553B7 is rgb(21, 83, 183) in RGB and hsl(217, 79%, 40%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1553B7

HEX#1553B7

RGBrgb(21, 83, 183)

HSLhsl(217, 79%, 40%)

HSVhsv(217, 89%, 72%)

OKLCHoklch(46.7% 0.17 260.1)

CMYKcmyk(89%, 55%, 0%, 28%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1553B7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.11:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.95:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1553B7 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1553B7 Complementary#B77915 Analogous#15A4B7 Analogous#2815B7 Triadic#B71553 Triadic#53B715

Tints & Shades

Lighter tints and darker shades of #1553B7, useful for hover states, backgrounds, and text variants.

Tints

#1A64DB #3B7DE8 #5F95EC #84ADF1 #A8C6F5 #D1E1FA

Shades

#1349A0 #103E89 #0D3472 #0A2857 #071D40 #051329

Use #1553B7 in Our Tools

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