Close to Petrol
#175B75
#175B75 is a dark, rich blue, close to the color Petrol. In RGB it’s made of 9% red, 35.7% green, and 45.9% blue. Its hue is 197°, with 67% saturation and 27% 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 #175B75.
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
7.53:1 AAABlack text on this color
2.79:1 FailThis color as text on white
7.53:1 AAAThis color as text on black
2.79:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #175B75 as they’d see it.
#175B75 in use
A headline in this color
Body text stays dark for reading; the color carries buttons, links, and accents.
On a dark background
Get startedSimilar colors
Questions about #175B75
What color is #175B75?
#175B75 is a dark, rich blue, close to the color Petrol. In RGB it’s made of 9% red, 35.7% green, and 45.9% blue. Its hue is 197°, with 67% saturation and 27% lightness, so it reads as a cool color. White text sits best on top of it.
What is #175B75 in RGB?
#175B75 is rgb(23, 91, 117): 23 red, 91 green, and 117 blue on a 0–255 scale.
What is #175B75 in CMYK?
Roughly cmyk(80, 22, 0, 54). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #175B75?
PANTONE 308 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #175B75?
Its complement #744A3A gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.