#123B9B Color

#123B9B is rgb(18, 59, 155) in RGB and hsl(222, 79%, 34%) in HSL. The closest CSS named color is MidnightBlue. White text is most readable on this background.

#123B9B

HEX#123B9B

RGBrgb(18, 59, 155)

HSLhsl(222, 79%, 34%)

HSVhsv(222, 88%, 61%)

OKLCHoklch(39.2% 0.163 263.3)

CMYKcmyk(88%, 62%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #123B9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.88:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.12:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #123B9B based on color wheel relationships. Click any swatch for its full breakdown.

Base#123B9B Complementary#9B7212 Analogous#12809B Analogous#2E129B Triadic#9B123B Triadic#3B9B12

Tints & Shades

Lighter tints and darker shades of #123B9B, useful for hover states, backgrounds, and text variants.

Tints

#174BC4 #245EE5 #4D7CEA #7B9EEF #A4BCF4 #CDDAF9

Shades

#103489 #0D2C72 #0B2560 #091E4E #07173B #040E25

Use #123B9B in Our Tools

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