Close to Rich Black
#101521
#101521 is a very dark, muted blue, close to the color Rich Black. In RGB it’s made of 6.3% red, 8.2% green, and 12.9% blue. Its hue is 222°, with 35% saturation and 10% 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 #101521.
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
18.24:1 AAABlack text on this color
1.15:1 FailThis color as text on white
18.24:1 AAAThis color as text on black
1.15:1 FailHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #101521 as they’d see it.
#101521 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
Brands with a similar color
Brand names identify the brands only; no affiliation. Test yourself in Brand Colors.
Questions about #101521
What color is #101521?
#101521 is a very dark, muted blue, close to the color Rich Black. In RGB it’s made of 6.3% red, 8.2% green, and 12.9% blue. Its hue is 222°, with 35% saturation and 10% lightness, so it reads as a cool color. White text sits best on top of it.
What is #101521 in RGB?
#101521 is rgb(16, 21, 33): 16 red, 21 green, and 33 blue on a 0–255 scale.
What is #101521 in CMYK?
Roughly cmyk(52, 36, 0, 87). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #101521?
PANTONE 7547 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #101521?
Its complement #1B1503 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.