#1B3D5F Color

#1B3D5F is rgb(27, 61, 95) in RGB and hsl(210, 56%, 24%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1B3D5F

HEX#1B3D5F

RGBrgb(27, 61, 95)

HSLhsl(210, 56%, 24%)

HSVhsv(210, 72%, 37%)

OKLCHoklch(35.2% 0.072 250.6)

CMYKcmyk(72%, 36%, 0%, 63%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3D5F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.17:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.88:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3D5F based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3D5F Complementary#5F3D1B Analogous#1B5F5F Analogous#1B1B5F Triadic#5F1B3D Triadic#3D5F1B

Tints & Shades

Lighter tints and darker shades of #1B3D5F, useful for hover states, backgrounds, and text variants.

Tints

#27598B #3273B3 #508FCE #78A8D9 #A4C4E5 #CBDEF0

Shades

#183654 #142E48 #11263C #0F2134 #0B1928 #08121C

Use #1B3D5F in Our Tools

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