Swatch
#B5121B Scarlet Red
#B5121B is a mid-tone, vivid red, known as Scarlet Red. In RGB it’s made of 71% red, 7.1% green, and 10.6% blue. Its hue is 357°, with 82% saturation and 39% lightness, so it reads as a warm 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 #B5121B.
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
6.85:1 AABlack text on this color
3.07:1 AA LargeThis color as text on white
6.85:1 AAThis color as text on black
3.07:1 AA LargeHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #B5121B as they’d see it.
#B5121B 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 #B5121B
What color is #B5121B?
#B5121B is a mid-tone, vivid red, known as Scarlet Red. In RGB it’s made of 71% red, 7.1% green, and 10.6% blue. Its hue is 357°, with 82% saturation and 39% lightness, so it reads as a warm color. White text sits best on top of it.
What is #B5121B in RGB?
#B5121B is rgb(181, 18, 27): 181 red, 18 green, and 27 blue on a 0–255 scale.
What is #B5121B in CMYK?
Roughly cmyk(0, 90, 85, 29). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #B5121B?
PANTONE 1795 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #B5121B?
Its complement #006661 gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.