#1B3555 Color

#1B3555 is rgb(27, 53, 85) in RGB and hsl(213, 52%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B3555

HEX#1B3555

RGBrgb(27, 53, 85)

HSLhsl(213, 52%, 22%)

HSVhsv(213, 68%, 33%)

OKLCHoklch(32.5% 0.066 254.6)

CMYKcmyk(68%, 38%, 0%, 67%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3555 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.45:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.69:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3555 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3555 Complementary#553B1B Analogous#1B5255 Analogous#1E1B55 Triadic#551B35 Triadic#35551B

Tints & Shades

Lighter tints and darker shades of #1B3555, useful for hover states, backgrounds, and text variants.

Tints

#285080 #366AAB #5186C8 #77A1D4 #A2BFE2 #CDDCEF

Shades

#172E4A #152942 #112236 #0F1D2F #0B1623 #09111B

Use #1B3555 in Our Tools

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