#283F8F Color

#283F8F is rgb(40, 63, 143) in RGB and hsl(227, 56%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#283F8F

HEX#283F8F

RGBrgb(40, 63, 143)

HSLhsl(227, 56%, 36%)

HSVhsv(227, 72%, 56%)

OKLCHoklch(39.9% 0.135 267.7)

CMYKcmyk(72%, 56%, 0%, 44%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #283F8F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.55:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.2:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #283F8F based on color wheel relationships. Click any swatch for its full breakdown.

Base#283F8F Complementary#8F7928 Analogous#28728F Analogous#46288F Triadic#8F283F Triadic#3F8F28

Tints & Shades

Lighter tints and darker shades of #283F8F, useful for hover states, backgrounds, and text variants.

Tints

#324EB3 #4864CB #6C83D5 #8C9EDE #AFBCE9 #D3DAF3

Shades

#23367B #1E2F6B #192658 #141F48 #0F1734 #0A1024

Use #283F8F in Our Tools

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