#155BCB Color

#155BCB is rgb(21, 91, 203) in RGB and hsl(217, 81%, 44%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#155BCB

HEX#155BCB

RGBrgb(21, 91, 203)

HSLhsl(217, 81%, 44%)

HSVhsv(217, 90%, 80%)

OKLCHoklch(50% 0.187 260.2)

CMYKcmyk(90%, 55%, 0%, 20%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #155BCB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.19:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.39:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #155BCB based on color wheel relationships. Click any swatch for its full breakdown.

Base#155BCB Complementary#CB8515 Analogous#15B6CB Analogous#2B15CB Triadic#CB155B Triadic#5BCB15

Tints & Shades

Lighter tints and darker shades of #155BCB, useful for hover states, backgrounds, and text variants.

Tints

#216DE8 #4283EB #679BEF #8CB3F3 #B1CBF7 #D1E1FA

Shades

#124FAF #104498 #0D387D #0A2B61 #071F45 #05152E

Use #155BCB in Our Tools

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