Close to Dark Cerulean
#18427B
#18427B is a dark, rich blue, close to the color Dark Cerulean. In RGB it’s made of 9.4% red, 25.9% green, and 48.2% blue. Its hue is 215°, with 67% 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 #18427B.
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
9.98:1 AAABlack text on this color
2.10:1 FailThis color as text on white
9.98:1 AAAThis color as text on black
2.10:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #18427B as they’d see it.
#18427B 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
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Questions about #18427B
What color is #18427B?
#18427B is a dark, rich blue, close to the color Dark Cerulean. In RGB it’s made of 9.4% red, 25.9% green, and 48.2% blue. Its hue is 215°, with 67% saturation and 29% lightness, so it reads as a cool color. White text sits best on top of it.
What is #18427B in RGB?
#18427B is rgb(24, 66, 123): 24 red, 66 green, and 123 blue on a 0–255 scale.
What is #18427B in CMYK?
Roughly cmyk(80, 46, 0, 52). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #18427B?
PANTONE 301 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #18427B?
Its complement #5E3B06 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.