Close to Deep Sky Blue

#40B4FB

#40B4FB is a mid-tone, vivid blue, close to the color Deep Sky Blue. In RGB it’s made of 25.1% red, 70.6% green, and 98.4% blue. Its hue is 203°, with 96% saturation and 62% lightness, so it reads as a cool color. Black text sits best on top of it.

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Color codes

Tints, shades & tones

Tints add white, shades add black, tones add gray. Tap any one to open its page.

Tints

Shades

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Color harmonies

Combinations from the color wheel, built around #40B4FB.

Contrast & readability

WCAG contrast ratios for text. 4.5:1 is the minimum for body text, 3:1 for large text.

Aa

White text on this color

2.30:1 Fail
Aa

Black text on this color

9.14:1 AAA
Aa

This color as text on white

2.30:1 Fail
Aa

This color as text on black

9.14:1 AAA

How it looks with color blindness

About 1 in 12 men and 1 in 200 women see color differently. Here’s #40B4FB as they’d see it.

Typical vision#40B4FB
ProtanopiaNo red cones (about 1% of men)
DeuteranopiaNo green cones (the most common, about 1% of men)
TritanopiaNo blue cones (rare)
AchromatopsiaNo color vision (very rare)

#40B4FB in use

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A headline in this color

Body text stays dark for reading; the color carries buttons, links, and accents.

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Similar colors

Brands with a similar color

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Questions about #40B4FB

What color is #40B4FB?

#40B4FB is a mid-tone, vivid blue, close to the color Deep Sky Blue. In RGB it’s made of 25.1% red, 70.6% green, and 98.4% blue. Its hue is 203°, with 96% saturation and 62% lightness, so it reads as a cool color. Black text sits best on top of it.

What is #40B4FB in RGB?

#40B4FB is rgb(64, 180, 251): 64 red, 180 green, and 251 blue on a 0–255 scale.

What is #40B4FB in CMYK?

Roughly cmyk(75, 28, 0, 2). Print results depend on paper and press, so proof it before a big print run.

What Pantone is closest to #40B4FB?

PANTONE Cyan C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.

What color goes with #40B4FB?

Its complement #E99869 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.

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