Close to Klein Blue
#031F90
#031F90 is a dark, vivid blue, close to the color Klein Blue. In RGB it’s made of 1.2% red, 12.2% green, and 56.5% blue. Its hue is 228°, with 96% saturation and 29% 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 #031F90.
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
13.10:1 AAABlack text on this color
1.60:1 FailThis color as text on white
13.10:1 AAAThis color as text on black
1.60:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #031F90 as they’d see it.
#031F90 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
Brands with a similar color
Brand names identify the brands only; no affiliation. Test yourself in Brand Colors.
Questions about #031F90
What color is #031F90?
#031F90 is a dark, vivid blue, close to the color Klein Blue. In RGB it’s made of 1.2% red, 12.2% green, and 56.5% blue. Its hue is 228°, with 96% saturation and 29% lightness, so it reads as a cool color. White text sits best on top of it.
What is #031F90 in RGB?
#031F90 is rgb(3, 31, 144): 3 red, 31 green, and 144 blue on a 0–255 scale.
What is #031F90 in CMYK?
Roughly cmyk(98, 78, 0, 44). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #031F90?
PANTONE Reflex Blue C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #031F90?
Its complement #3D2F00 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.