#1551B2 Color

#1551B2 is rgb(21, 81, 178) in RGB and hsl(217, 79%, 39%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1551B2

HEX#1551B2

RGBrgb(21, 81, 178)

HSLhsl(217, 79%, 39%)

HSVhsv(217, 88%, 70%)

OKLCHoklch(45.9% 0.166 260.1)

CMYKcmyk(88%, 54%, 0%, 30%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1551B2 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.36:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.85:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1551B2 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1551B2 Complementary#B27615 Analogous#15A0B2 Analogous#2715B2 Triadic#B21551 Triadic#51B215

Tints & Shades

Lighter tints and darker shades of #1551B2, useful for hover states, backgrounds, and text variants.

Tints

#1962D7 #367AE7 #5B92EC #84ADF1 #A8C6F5 #D1E1FA

Shades

#12479B #103C84 #0D326E #0A2857 #071D40 #051329

Use #1551B2 in Our Tools

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