#1D3F63 Color

#1D3F63 is rgb(29, 63, 99) in RGB and hsl(211, 55%, 25%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1D3F63

HEX#1D3F63

RGBrgb(29, 63, 99)

HSLhsl(211, 55%, 25%)

HSVhsv(211, 71%, 39%)

OKLCHoklch(36.1% 0.074 251.7)

CMYKcmyk(71%, 36%, 0%, 61%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1D3F63 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.81:1AA normal ✓AA large ✓AAA normal ✓

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

Color Harmonies

Colors that pair well with #1D3F63 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1D3F63 Complementary#63411D Analogous#1D6263 Analogous#1E1D63 Triadic#631D3F Triadic#3F631D

Tints & Shades

Lighter tints and darker shades of #1D3F63, useful for hover states, backgrounds, and text variants.

Tints

#28588A #3573B6 #518DCD #7DA9D9 #A4C3E5 #D0E0F1

Shades

#193757 #16304B #12283F #0F2133 #0B1928 #08121C

Use #1D3F63 in Our Tools

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