Close to Klein Blue
#003DBF
#003DBF is a dark, vivid blue, close to the color Klein Blue. In RGB it’s made of 0% red, 23.9% green, and 74.9% blue. Its hue is 221°, with 100% saturation and 37% 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 #003DBF.
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
8.68:1 AAABlack text on this color
2.42:1 FailThis color as text on white
8.68:1 AAAThis color as text on black
2.42:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #003DBF as they’d see it.
#003DBF 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 #003DBF
What color is #003DBF?
#003DBF is a dark, vivid blue, close to the color Klein Blue. In RGB it’s made of 0% red, 23.9% green, and 74.9% blue. Its hue is 221°, with 100% saturation and 37% lightness, so it reads as a cool color. White text sits best on top of it.
What is #003DBF in RGB?
#003DBF is rgb(0, 61, 191): 0 red, 61 green, and 191 blue on a 0–255 scale.
What is #003DBF in CMYK?
Roughly cmyk(100, 68, 0, 25). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #003DBF?
PANTONE 286 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #003DBF?
Its complement #684400 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.