#12399B Color

#12399B is rgb(18, 57, 155) in RGB and hsl(223, 79%, 34%) in HSL. The closest CSS named color is MidnightBlue. White text is most readable on this background.

#12399B

HEX#12399B

RGBrgb(18, 57, 155)

HSLhsl(223, 79%, 34%)

HSVhsv(223, 88%, 61%)

OKLCHoklch(38.8% 0.165 263.8)

CMYKcmyk(88%, 63%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #12399B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.08:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.08:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #12399B based on color wheel relationships. Click any swatch for its full breakdown.

Base#12399B Complementary#9B7412 Analogous#127E9B Analogous#30129B Triadic#9B1239 Triadic#399B12

Tints & Shades

Lighter tints and darker shades of #12399B, useful for hover states, backgrounds, and text variants.

Tints

#1748C4 #245BE5 #4D7AEA #7B9CEF #A4BBF4 #CDD9F9

Shades

#103289 #0D2A72 #0B2360 #091D4E #07163B #040D25

Use #12399B in Our Tools

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