#1B51A7 Color

#1B51A7 is rgb(27, 81, 167) in RGB and hsl(217, 72%, 38%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B51A7

HEX#1B51A7

RGBrgb(27, 81, 167)

HSLhsl(217, 72%, 38%)

HSVhsv(217, 84%, 65%)

OKLCHoklch(45.2% 0.15 259.7)

CMYKcmyk(84%, 51%, 0%, 35%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B51A7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.55:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.78:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B51A7 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B51A7 Complementary#A7711B Analogous#1B96A7 Analogous#2B1BA7 Triadic#A71B51 Triadic#51A71B

Tints & Shades

Lighter tints and darker shades of #1B51A7, useful for hover states, backgrounds, and text variants.

Tints

#2264CE #3A79DF #6194E5 #84ACEB #ACC6F1 #CFDEF7

Shades

#184691 #143B7B #103165 #0E2853 #0A1E3D #061327

Use #1B51A7 in Our Tools

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