#283D8F Color

#283D8F is rgb(40, 61, 143) in RGB and hsl(228, 56%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#283D8F

HEX#283D8F

RGBrgb(40, 61, 143)

HSLhsl(228, 56%, 36%)

HSVhsv(228, 72%, 56%)

OKLCHoklch(39.4% 0.138 268.5)

CMYKcmyk(72%, 57%, 0%, 44%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #283D8F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.75:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.15:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #283D8F based on color wheel relationships. Click any swatch for its full breakdown.

Base#283D8F Complementary#8F7B28 Analogous#28708F Analogous#47288F Triadic#8F283D Triadic#3D8F28

Tints & Shades

Lighter tints and darker shades of #283D8F, useful for hover states, backgrounds, and text variants.

Tints

#324CB3 #4862CB #6C81D5 #8C9CDE #AFBBE9 #D3DAF3

Shades

#23347B #1E2E6B #192558 #141E48 #0F1634 #0A0F24

Use #283D8F in Our Tools

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