#138CB4 Color

#138CB4 is rgb(19, 140, 180) in RGB and hsl(195, 81%, 39%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#138CB4

HEX#138CB4

RGBrgb(19, 140, 180)

HSLhsl(195, 81%, 39%)

HSVhsv(195, 89%, 71%)

OKLCHoklch(59.8% 0.112 227.7)

CMYKcmyk(89%, 22%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #138CB4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.86:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.44:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #138CB4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#138CB4 Complementary#B43B13 Analogous#13B48C Analogous#133BB4 Triadic#B4138C Triadic#8CB413

Tints & Shades

Lighter tints and darker shades of #138CB4, useful for hover states, backgrounds, and text variants.

Tints

#17A8D9 #34BCEA #59C8EE #82D6F2 #A7E2F6 #D1F0FA

Shades

#107A9D #0E6886 #0C566F #094458 #073241 #04202A

Use #138CB4 in Our Tools

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