#1D3F59 Color

#1D3F59 is rgb(29, 63, 89) in RGB and hsl(206, 51%, 23%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#1D3F59

HEX#1D3F59

RGBrgb(29, 63, 89)

HSLhsl(206, 51%, 23%)

HSVhsv(206, 67%, 35%)

OKLCHoklch(35.5% 0.06 243.8)

CMYKcmyk(67%, 29%, 0%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1D3F59 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.01:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.91:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1D3F59 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1D3F59 Complementary#59371D Analogous#1D5955 Analogous#1D2159 Triadic#591D3F Triadic#3F591D

Tints & Shades

Lighter tints and darker shades of #1D3F59, useful for hover states, backgrounds, and text variants.

Tints

#2A5D83 #3778A9 #5294C7 #7CAED5 #A6C8E2 #CDE0EF

Shades

#19364D #163145 #13293A #0F212E #0B1923 #09131B

Use #1D3F59 in Our Tools

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