#123E9B Color

#123E9B is rgb(18, 62, 155) in RGB and hsl(221, 79%, 34%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#123E9B

HEX#123E9B

RGBrgb(18, 62, 155)

HSLhsl(221, 79%, 34%)

HSVhsv(221, 88%, 61%)

OKLCHoklch(39.8% 0.159 262.6)

CMYKcmyk(88%, 60%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #123E9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.6:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.19:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #123E9B based on color wheel relationships. Click any swatch for its full breakdown.

Base#123E9B Complementary#9B7012 Analogous#12829B Analogous#2B129B Triadic#9B123E Triadic#3E9B12

Tints & Shades

Lighter tints and darker shades of #123E9B, useful for hover states, backgrounds, and text variants.

Tints

#174EC4 #2461E5 #4D7FEA #7BA0EF #A4BDF4 #CDDBF9

Shades

#103689 #0D2D72 #0B2660 #091F4E #07183B #040E25

Use #123E9B in Our Tools

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