#123BB5 Color

#123BB5 is rgb(18, 59, 181) in RGB and hsl(225, 82%, 39%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#123BB5

HEX#123BB5

RGBrgb(18, 59, 181)

HSLhsl(225, 82%, 39%)

HSVhsv(225, 90%, 71%)

OKLCHoklch(41.8% 0.197 264.4)

CMYKcmyk(90%, 67%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #123BB5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.06:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.32:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #123BB5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#123BB5 Complementary#B58C12 Analogous#128CB5 Analogous#3B12B5 Triadic#B5123B Triadic#3BB512

Tints & Shades

Lighter tints and darker shades of #123BB5, useful for hover states, backgrounds, and text variants.

Tints

#1647DA #3361EB #587EEE #829EF3 #A7BBF6 #D1DBFA

Shades

#10339E #0D2C87 #0B246F #091D58 #061541 #040E2A

Use #123BB5 in Our Tools

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