Close to Azure Blue
#397BFB
#397BFB is a mid-tone, vivid blue, close to the color Azure Blue. In RGB it’s made of 22.4% red, 48.2% green, and 98.4% blue. Its hue is 220°, with 96% saturation and 60% 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 #397BFB.
Split complementary
The two neighbors of the complement: contrast that’s easier to balance.
Open in the palette builder →Tetradic
Two complementary pairs: rich, best with one color in charge.
Open in the palette builder →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
3.89:1 AA LargeBlack text on this color
5.40:1 AAThis color as text on white
3.89:1 AA LargeThis color as text on black
5.40:1 AAHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #397BFB as they’d see it.
#397BFB 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
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Questions about #397BFB
What color is #397BFB?
#397BFB is a mid-tone, vivid blue, close to the color Azure Blue. In RGB it’s made of 22.4% red, 48.2% green, and 98.4% blue. Its hue is 220°, with 96% saturation and 60% lightness, so it reads as a cool color. Black text sits best on top of it.
What is #397BFB in RGB?
#397BFB is rgb(57, 123, 251): 57 red, 123 green, and 251 blue on a 0–255 scale.
What is #397BFB in CMYK?
Roughly cmyk(77, 51, 0, 2). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #397BFB?
PANTONE 2935 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #397BFB?
Its complement #AA7800 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.