#123DAB Color

#123DAB is rgb(18, 61, 171) in RGB and hsl(223, 81%, 37%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#123DAB

HEX#123DAB

RGBrgb(18, 61, 171)

HSLhsl(223, 81%, 37%)

HSVhsv(223, 89%, 67%)

OKLCHoklch(41.1% 0.182 263.8)

CMYKcmyk(89%, 64%, 0%, 33%)

Text Contrast & Accessibility

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

TextWhite text9.21:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.28:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

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

Base#123DAB Complementary#AB7F12 Analogous#128AAB Analogous#3312AB Triadic#AB123D Triadic#3DAB12

Tints & Shades

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

Tints

#164CD4 #2B61E9 #5480ED #7E9FF1 #A7BEF6 #CCD9FA

Shades

#103594 #0E2E81 #0B266A #091E53 #06163C #040F2A

Use #123DAB in Our Tools

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