Close to Steel Blue
#308BCD
#308BCD is a mid-tone, rich blue, close to the color Steel Blue. In RGB it’s made of 18.8% red, 54.5% green, and 80.4% blue. Its hue is 205°, with 62% saturation and 50% 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 #308BCD.
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
3.68:1 AA LargeBlack text on this color
5.70:1 AAThis color as text on white
3.68:1 AA LargeThis color as text on black
5.70:1 AAHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #308BCD as they’d see it.
#308BCD in use
A headline in this color
Body text stays dark for reading; the color carries buttons, links, and accents.
On a dark background
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Brands with a similar color
Brand names identify the brands only; no affiliation. Test yourself in Brand Colors.
Questions about #308BCD
What color is #308BCD?
#308BCD is a mid-tone, rich blue, close to the color Steel Blue. In RGB it’s made of 18.8% red, 54.5% green, and 80.4% blue. Its hue is 205°, with 62% saturation and 50% lightness, so it reads as a cool color. Black text sits best on top of it.
What is #308BCD in RGB?
#308BCD is rgb(48, 139, 205): 48 red, 139 green, and 205 blue on a 0–255 scale.
What is #308BCD in CMYK?
Roughly cmyk(77, 32, 0, 20). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #308BCD?
PANTONE Process 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 #308BCD?
Its complement #B87548 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.