#138FA4 Color

#138FA4 is rgb(19, 143, 164) in RGB and hsl(189, 79%, 36%) in HSL. The closest CSS named color is DarkCyan. Black text is most readable on this background.

#138FA4

HEX#138FA4

RGBrgb(19, 143, 164)

HSLhsl(189, 79%, 36%)

HSVhsv(189, 88%, 64%)

OKLCHoklch(59.9% 0.101 213.3)

CMYKcmyk(88%, 13%, 0%, 36%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #138FA4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.82:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.49:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #138FA4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#138FA4 Complementary#A42913 Analogous#13A472 Analogous#1346A4 Triadic#A4138F Triadic#8FA413

Tints & Shades

Lighter tints and darker shades of #138FA4, useful for hover states, backgrounds, and text variants.

Tints

#18B2CD #2DCBE6 #56D5EB #7BDEEF #A4E8F4 #CDF2F9

Shades

#117B8D #0E6B7B #0C5764 #0A4752 #07333B #052429

Use #138FA4 in Our Tools

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