#213F3F Color

#213F3F is rgb(33, 63, 63) in RGB and hsl(180, 31%, 19%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#213F3F

HEX#213F3F

RGBrgb(33, 63, 63)

HSLhsl(180, 31%, 19%)

HSVhsv(180, 48%, 25%)

OKLCHoklch(34.4% 0.036 195.6)

CMYKcmyk(48%, 0%, 0%, 75%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #213F3F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.37:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.85:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #213F3F based on color wheel relationships. Click any swatch for its full breakdown.

Base#213F3F Complementary#3F2121 Analogous#213F30 Analogous#21303F Triadic#3F213F Triadic#3F3F21

Tints & Shades

Lighter tints and darker shades of #213F3F, useful for hover states, backgrounds, and text variants.

Tints

#356464 #4A8C8C #62ACAC #87C0C0 #ABD3D3 #D4E8E8

Shades

#1E3939 #1A3232 #172B2B #122121 #0E1B1B #0B1414

Use #213F3F in Our Tools

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