Close to Dark Slate Blue
#263B88
#263B88 is a dark, rich blue, close to the color Dark Slate Blue. In RGB it’s made of 14.9% red, 23.1% green, and 53.3% blue. Its hue is 227°, with 56% 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 #263B88.
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
10.18:1 AAABlack text on this color
2.06:1 FailThis color as text on white
10.18:1 AAAThis color as text on black
2.06:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #263B88 as they’d see it.
#263B88 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 #263B88
What color is #263B88?
#263B88 is a dark, rich blue, close to the color Dark Slate Blue. In RGB it’s made of 14.9% red, 23.1% green, and 53.3% blue. Its hue is 227°, with 56% saturation and 34% lightness, so it reads as a cool color. White text sits best on top of it.
What is #263B88 in RGB?
#263B88 is rgb(38, 59, 136): 38 red, 59 green, and 136 blue on a 0–255 scale.
What is #263B88 in CMYK?
Roughly cmyk(72, 57, 0, 47). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #263B88?
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 #263B88?
Its complement #4F4000 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.