Swatch
#1A237E Material Indigo 900
#1A237E is a dark, rich blue, close to the color Midnight Blue. In RGB it’s made of 10.2% red, 13.7% green, and 49.4% blue. Its hue is 235°, with 66% saturation and 30% 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 #1A237E.
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
13.24:1 AAABlack text on this color
1.59:1 FailThis color as text on white
13.24:1 AAAThis color as text on black
1.59:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #1A237E as they’d see it.
#1A237E 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 #1A237E
What color is #1A237E?
#1A237E is a dark, rich blue, close to the color Midnight Blue. In RGB it’s made of 10.2% red, 13.7% green, and 49.4% blue. Its hue is 235°, with 66% saturation and 30% lightness, so it reads as a cool color. White text sits best on top of it.
What is #1A237E in RGB?
#1A237E is rgb(26, 35, 126): 26 red, 35 green, and 126 blue on a 0–255 scale.
What is #1A237E in CMYK?
Roughly cmyk(79, 72, 0, 51). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #1A237E?
PANTONE 287 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #1A237E?
Its complement #353100 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.