Close to Cerulean
#288EBC
#288EBC is a mid-tone, rich blue, close to the color Cerulean. In RGB it’s made of 15.7% red, 55.7% green, and 73.7% blue. Its hue is 199°, with 65% saturation and 45% 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 #288EBC.
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
3.69:1 AA LargeBlack text on this color
5.69:1 AAThis color as text on white
3.69:1 AA LargeThis color as text on black
5.69:1 AAHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #288EBC as they’d see it.
#288EBC in use
A headline in this color
Body text stays dark for reading; the color carries buttons, links, and accents.
On a dark background
Get startedSimilar colors
Questions about #288EBC
What color is #288EBC?
#288EBC is a mid-tone, rich blue, close to the color Cerulean. In RGB it’s made of 15.7% red, 55.7% green, and 73.7% blue. Its hue is 199°, with 65% saturation and 45% lightness, so it reads as a cool color. Black text sits best on top of it.
What is #288EBC in RGB?
#288EBC is rgb(40, 142, 188): 40 red, 142 green, and 188 blue on a 0–255 scale.
What is #288EBC in CMYK?
Roughly cmyk(79, 24, 0, 26). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #288EBC?
PANTONE 7460 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #288EBC?
Its complement #B67559 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.