#1D3559 Color

#1D3559 is rgb(29, 53, 89) in RGB and hsl(216, 51%, 23%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1D3559

HEX#1D3559

RGBrgb(29, 53, 89)

HSLhsl(216, 51%, 23%)

HSVhsv(216, 67%, 35%)

OKLCHoklch(32.9% 0.071 258.3)

CMYKcmyk(67%, 40%, 0%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1D3559 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.31:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.71:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1D3559 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1D3559 Complementary#59411D Analogous#1D5359 Analogous#231D59 Triadic#591D35 Triadic#35591D

Tints & Shades

Lighter tints and darker shades of #1D3559, useful for hover states, backgrounds, and text variants.

Tints

#2A4E83 #3765A9 #5281C7 #7C9FD5 #A6BEE2 #CDDAEF

Shades

#192E4D #162945 #13223A #0F1B2E #0B1523 #09101B

Use #1D3559 in Our Tools

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