Information about #4C151B color

#4C151B color image

Basic facts about this digital color

The digital color #4C151B is classified in the Register under the Red Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(76, 21, 27) (29.8% red, 8.2% green, 10.6% blue), or CMYK 0 / 22 / 19 / 70 for print. Curious how these numbers work? Read our RGB color codes guide.

#4C151B is a confidently colored earthy red that leans clearly toward the dark side. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Cocoa Bean (#481C1C). Its next-closest registered neighbors are Maroon Oak (#520C17) and Mayhem (#4D1B25).

In RGB terms — rgb(76, 21, 27) — the red channel does the heavy lifting here. If you plan to put text on a #4C151B background, choose white — the contrast ratio is 14.7:1 (passing WCAG AAA), while black manages only 1.4:1. On paper it relies strongly on black ink (K:70), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#4C151B color variations

View this color variations of tints, shades, tones and hues.

#4C151B color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #4C151B

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Cocoa Bean color link
Cocoa Bean

#481C1C

Maroon Oak color link
Maroon Oak

#520C17

Mayhem color link
Mayhem

#4D1B25

Red Baron color link
Red Baron

#511D22

JayHawk Red color link
JayHawk Red

#58181F

Heath color link
Heath

#541012

Speed Demon color link
Speed Demon

#551B24

Ravishing color link
Ravishing

#401A22

Rendezvous color link
Rendezvous

#561426

Rialto color link
Rialto

#4C2322

Conversions between color systems and etc.

  • HEX#4C151B
  • RGB76, 21, 27
  • CMYK0, 22, 19, 70
  • CSSrgb(76, 21, 27)
  • HSL353°, 57%, 19%
  • HSL Precise353.455°, 56.701%, 19.02%
  • HSV353°, 72%, 30%
  • HSB353°, 72%, 30%
  • Normalized R (0.0–1.0)0.298
  • Normalized G (0.0–1.0)0.082
  • Normalized B (0.0–1.0)0.106
  • GLSLvec3(0.298, 0.082, 0.106)
  • GLSL with alphavec4(0.298, 0.082, 0.106, 1.000)
  • HLSL / Metalfloat3(0.298, 0.082, 0.106)
  • Percentage of Red in RGB29.8%
  • Percentage of Green in RGB8.2%
  • Percentage of Blue in RGB10.6%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID4C151B
  • DECIMAL ID4986139
  • Name LengthThis color has no name
  • Seen by search & AI crawlers28 times
  • Counting from2025-01-01