Close to Ultramarine
#281FFF
#281FFF is a mid-tone, vivid blue, close to the color Ultramarine. In RGB it’s made of 15.7% red, 12.2% green, and 100% blue. Its hue is 242°, with 100% saturation and 56% lightness, so it reads as a cool color. White 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 #281FFF.
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
7.69:1 AAABlack text on this color
2.73:1 FailThis color as text on white
7.69:1 AAAThis color as text on black
2.73:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #281FFF as they’d see it.
#281FFF 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 #281FFF
What color is #281FFF?
#281FFF is a mid-tone, vivid blue, close to the color Ultramarine. In RGB it’s made of 15.7% red, 12.2% green, and 100% blue. Its hue is 242°, with 100% saturation and 56% lightness, so it reads as a cool color. White text sits best on top of it.
What is #281FFF in RGB?
#281FFF is rgb(40, 31, 255): 40 red, 31 green, and 255 blue on a 0–255 scale.
What is #281FFF in CMYK?
Roughly cmyk(84, 88, 0, 0). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #281FFF?
PANTONE Violet C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #281FFF?
Its complement #535700 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.