Close to Ultramarine
#381DFF
#381DFF is a mid-tone, vivid blue, close to the color Ultramarine. In RGB it’s made of 22% red, 11.4% green, and 100% blue. Its hue is 247°, 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 #381DFF.
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
7.53:1 AAABlack text on this color
2.79:1 FailThis color as text on white
7.53:1 AAAThis color as text on black
2.79:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #381DFF as they’d see it.
#381DFF 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 #381DFF
What color is #381DFF?
#381DFF is a mid-tone, vivid blue, close to the color Ultramarine. In RGB it’s made of 22% red, 11.4% green, and 100% blue. Its hue is 247°, with 100% saturation and 56% lightness, so it reads as a cool color. White text sits best on top of it.
What is #381DFF in RGB?
#381DFF is rgb(56, 29, 255): 56 red, 29 green, and 255 blue on a 0–255 scale.
What is #381DFF in CMYK?
Roughly cmyk(78, 89, 0, 0). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #381DFF?
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 #381DFF?
Its complement #4F5A00 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.