Close to Deep Sky Blue
#51CDFF
#51CDFF is a light, vivid blue, close to the color Deep Sky Blue. In RGB it’s made of 31.8% red, 80.4% green, and 100% blue. Its hue is 197°, with 100% saturation and 66% lightness, so it reads as a cool color. Black text sits best on top of it.
Color codes
Tints, shades & tones
Tints add white, shades add black, tones add gray. Tap any one to open its page.
Tints
Shades
Tones
Color harmonies
Combinations from the color wheel, built around #51CDFF.
Split complementary
The two neighbors of the complement: contrast that’s easier to balance.
Open in the palette creator →Tetradic
Two complementary pairs: rich, best with one color in charge.
Open in the palette creator →Contrast & readability
WCAG contrast ratios for text. 4.5:1 is the minimum for body text, 3:1 for large text.
White text on this color
1.82:1 FailBlack text on this color
11.53:1 AAAThis color as text on white
1.82:1 FailThis color as text on black
11.53:1 AAAHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #51CDFF as they’d see it.
#51CDFF in use
A headline in this color
Body text stays dark for reading; the color carries buttons, links, and accents.
On a dark background
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Brands with a similar color
Brand names identify the brands only; no affiliation. Test yourself in Brand Colors.
Questions about #51CDFF
What color is #51CDFF?
#51CDFF is a light, vivid blue, close to the color Deep Sky Blue. In RGB it’s made of 31.8% red, 80.4% green, and 100% blue. Its hue is 197°, with 100% saturation and 66% lightness, so it reads as a cool color. Black text sits best on top of it.
What is #51CDFF in RGB?
#51CDFF is rgb(81, 205, 255): 81 red, 205 green, and 255 blue on a 0–255 scale.
What is #51CDFF in CMYK?
Roughly cmyk(68, 20, 0, 0). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #51CDFF?
PANTONE 2985 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #51CDFF?
Its complement #FFAC8B gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.