Close to Dark Slate Blue
#233E8A
#233E8A is a dark, rich blue, close to the color Dark Slate Blue. In RGB it’s made of 13.7% red, 24.3% green, and 54.1% blue. Its hue is 224°, with 60% saturation and 34% 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 #233E8A.
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
9.87:1 AAABlack text on this color
2.13:1 FailThis color as text on white
9.87:1 AAAThis color as text on black
2.13:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #233E8A as they’d see it.
#233E8A 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 #233E8A
What color is #233E8A?
#233E8A is a dark, rich blue, close to the color Dark Slate Blue. In RGB it’s made of 13.7% red, 24.3% green, and 54.1% blue. Its hue is 224°, with 60% saturation and 34% lightness, so it reads as a cool color. White text sits best on top of it.
What is #233E8A in RGB?
#233E8A is rgb(35, 62, 138): 35 red, 62 green, and 138 blue on a 0–255 scale.
What is #233E8A in CMYK?
Roughly cmyk(75, 55, 0, 46). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #233E8A?
PANTONE 288 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #233E8A?
Its complement #544100 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.