#1233B5 Color

#1233B5 is rgb(18, 51, 181) in RGB and hsl(228, 82%, 39%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1233B5

HEX#1233B5

RGBrgb(18, 51, 181)

HSLhsl(228, 82%, 39%)

HSVhsv(228, 90%, 71%)

OKLCHoklch(40.4% 0.206 265.4)

CMYKcmyk(90%, 72%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1233B5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.69:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.17:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1233B5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1233B5 Complementary#B59412 Analogous#1284B5 Analogous#4312B5 Triadic#B51233 Triadic#33B512

Tints & Shades

Lighter tints and darker shades of #1233B5, useful for hover states, backgrounds, and text variants.

Tints

#163DDA #3358EB #5876EE #8298F3 #A7B7F6 #D1D9FA

Shades

#102C9E #0D2687 #0B1F6F #091958 #061241 #040C2A

Use #1233B5 in Our Tools

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