#283F9A Color

#283F9A is rgb(40, 63, 154) in RGB and hsl(228, 59%, 38%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#283F9A

HEX#283F9A

RGBrgb(40, 63, 154)

HSLhsl(228, 59%, 38%)

HSVhsv(228, 74%, 60%)

OKLCHoklch(40.8% 0.151 268.1)

CMYKcmyk(74%, 59%, 0%, 40%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #283F9A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.26:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.27:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #283F9A based on color wheel relationships. Click any swatch for its full breakdown.

Base#283F9A Complementary#9A8328 Analogous#28789A Analogous#4A289A Triadic#9A283F Triadic#3F9A28

Tints & Shades

Lighter tints and darker shades of #283F9A, useful for hover states, backgrounds, and text variants.

Tints

#314DBF #4964D0 #6D83D9 #8D9EE2 #B2BDEB #D2D9F3

Shades

#233686 #1D2E72 #18265D #141F4D #0F1739 #090F24

Use #283F9A in Our Tools

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