#1B3D5A Color

#1B3D5A is rgb(27, 61, 90) in RGB and hsl(208, 54%, 23%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B3D5A

HEX#1B3D5A

RGBrgb(27, 61, 90)

HSLhsl(208, 54%, 23%)

HSVhsv(208, 70%, 35%)

OKLCHoklch(34.9% 0.065 246.7)

CMYKcmyk(70%, 32%, 0%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3D5A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.28:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.86:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3D5A based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3D5A Complementary#5A391B Analogous#1B5A58 Analogous#1B1D5A Triadic#5A1B3D Triadic#3D5A1B

Tints & Shades

Lighter tints and darker shades of #1B3D5A, useful for hover states, backgrounds, and text variants.

Tints

#285A86 #3474AD #4E90CA #79ABD7 #A5C6E4 #CCDFF0

Shades

#17354F #153047 #12283B #0E202F #0B1823 #08121B

Use #1B3D5A in Our Tools

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