#1F557F Color

#1F557F is rgb(31, 85, 127) in RGB and hsl(206, 61%, 31%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1F557F

HEX#1F557F

RGBrgb(31, 85, 127)

HSLhsl(206, 61%, 31%)

HSVhsv(206, 76%, 50%)

OKLCHoklch(43.5% 0.089 245.6)

CMYKcmyk(76%, 33%, 0%, 50%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1F557F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.88:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.66:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1F557F based on color wheel relationships. Click any swatch for its full breakdown.

Base#1F557F Complementary#7F491F Analogous#1F7F79 Analogous#1F257F Triadic#7F1F55 Triadic#557F1F

Tints & Shades

Lighter tints and darker shades of #1F557F, useful for hover states, backgrounds, and text variants.

Tints

#2971A8 #328ACD #5BA1D7 #80B6E0 #A9CEEA #CEE3F3

Shades

#1B4A6F #173F5E #13344E #102C42 #0C2131 #081621

Use #1F557F in Our Tools

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