#183558 Color

#183558 is rgb(24, 53, 88) in RGB and hsl(213, 57%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#183558

HEX#183558

RGBrgb(24, 53, 88)

HSLhsl(213, 57%, 22%)

HSVhsv(213, 73%, 35%)

OKLCHoklch(32.6% 0.072 254.5)

CMYKcmyk(73%, 40%, 0%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183558 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text12.43:1AA normal ✓AA large ✓AAA normal ✓

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

Color Harmonies

Colors that pair well with #183558 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183558 Complementary#583B18 Analogous#185558 Analogous#1B1858 Triadic#581835 Triadic#355818

Tints & Shades

Lighter tints and darker shades of #183558, useful for hover states, backgrounds, and text variants.

Tints

#244F84 #306AB0 #4B86CE #73A1D9 #9FBEE5 #CBDCF1

Shades

#152E4C #132944 #0F2238 #0D1D30 #0A1624 #08111C

Use #183558 in Our Tools

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