#004240 Color

#004240 is rgb(0, 66, 64) in RGB and hsl(178, 100%, 13%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#004240

HEX#004240

RGBrgb(0, 66, 64)

HSLhsl(178, 100%, 13%)

HSVhsv(178, 100%, 26%)

OKLCHoklch(34.2% 0.059 191.4)

CMYKcmyk(100%, 0%, 3%, 74%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #004240 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.33:1AA normal ✓AA large ✓AAA normal ✓

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

Color Harmonies

Colors that pair well with #004240 based on color wheel relationships. Click any swatch for its full breakdown.

Base#004240 Complementary#420002 Analogous#00421F Analogous#002342 Triadic#400042 Triadic#424000

Tints & Shades

Lighter tints and darker shades of #004240, useful for hover states, backgrounds, and text variants.

Tints

#00807B #00BDB6 #00FAF2 #3DFFF9 #7AFFFB #B8FFFD

Shades

#003D3B #003331 #002E2C #002927 #002423 #001A19

Use #004240 in Our Tools

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