#283F57 Color

#283F57 is rgb(40, 63, 87) in RGB and hsl(211, 37%, 25%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#283F57

HEX#283F57

RGBrgb(40, 63, 87)

HSLhsl(211, 37%, 25%)

HSVhsv(211, 54%, 34%)

OKLCHoklch(36% 0.051 250.4)

CMYKcmyk(54%, 28%, 0%, 66%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #283F57 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.83:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.94:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #283F57 based on color wheel relationships. Click any swatch for its full breakdown.

Base#283F57 Complementary#574128 Analogous#285757 Analogous#292857 Triadic#57283F Triadic#3F5728

Tints & Shades

Lighter tints and darker shades of #283F57, useful for hover states, backgrounds, and text variants.

Tints

#38587A #4A74A1 #658DB8 #8CAACA #AFC4DA #D5E0EC

Shades

#23374D #1F3042 #1A2838 #15212D #101923 #0B1218

Use #283F57 in Our Tools

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