#1B3F64 Color

#1B3F64 is rgb(27, 63, 100) in RGB and hsl(210, 57%, 25%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B3F64

HEX#1B3F64

RGBrgb(27, 63, 100)

HSLhsl(210, 57%, 25%)

HSVhsv(210, 73%, 39%)

OKLCHoklch(36.1% 0.077 251.3)

CMYKcmyk(73%, 37%, 0%, 61%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3F64 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.82:1AA normal ✓AA large ✓AAA normal ✓

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

Color Harmonies

Colors that pair well with #1B3F64 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3F64 Complementary#64401B Analogous#1B6464 Analogous#1B1B64 Triadic#641B40 Triadic#40641B

Tints & Shades

Lighter tints and darker shades of #1B3F64, useful for hover states, backgrounds, and text variants.

Tints

#26598C #3275B8 #4F8FCF #7BABDB #A3C4E6 #CFE0F2

Shades

#183858 #15304C #122940 #0E2134 #0B1928 #08121C

Use #1B3F64 in Our Tools

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