Information about #42121C color

#42121C color image

Basic facts about this digital color

#42121C falls into the Red Color Family — Moderate Saturation, Dark brightness. The mix behind it: rgb(66, 18, 28) — 25.9% red, 7.1% green, 11% blue; the print equivalent is CMYK 0 / 19 / 15 / 74. Curious how these numbers work? Read our RGB color codes guide.

A pleasantly vivid red, #42121C stays on the darker end of the scale. Expect to see shades like this in moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is almost identical to Chocolate Kisses (#3C1421). Slightly further away sit Dark Sienna (#3C1414) and Ravishing (#401A22).

Technically, the mix leans on its red channel (rgb(66, 18, 28)), which gives #42121C its character. On this background, white text reaches a 15.7:1 contrast ratio (passing WCAG AAA); black stays at 1.3:1. On paper it relies strongly on black ink (K:74), so proof dark layouts before a large print run. #42121C has no official name yet. If this shade means something to you, you can be the one to name it.

#42121C color variations

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

#42121C 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 #42121C

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

Dark Sienna color link
Dark Sienna

#3C1414

Ravishing color link
Ravishing

#401A22

Cocoa Bean color link
Cocoa Bean

#481C1C

Spitfire color link
Spitfire

#381921

Tamarind color link
Tamarind

#341515

Mayhem color link
Mayhem

#4D1B25

Short Black color link
Short Black

#42231B

Jumpstart color link
Jumpstart

#3E2025

Black Kite color link
Black Kite

#351E1C

Maroon Oak color link
Maroon Oak

#520C17

Deep Oak color link
Deep Oak

#412010

Conversions between color systems and etc.

  • HEX#42121C
  • RGB66, 18, 28
  • CMYK0, 19, 15, 74
  • CSSrgb(66, 18, 28)
  • HSL348°, 57%, 16%
  • HSL Precise347.5°, 57.143%, 16.471%
  • HSV348°, 73%, 26%
  • HSB348°, 73%, 26%
  • Normalized R (0.0–1.0)0.259
  • Normalized G (0.0–1.0)0.071
  • Normalized B (0.0–1.0)0.110
  • GLSLvec3(0.259, 0.071, 0.110)
  • GLSL with alphavec4(0.259, 0.071, 0.110, 1.000)
  • HLSL / Metalfloat3(0.259, 0.071, 0.110)
  • Percentage of Red in RGB25.9%
  • Percentage of Green in RGB7.1%
  • Percentage of Blue in RGB11%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID42121C
  • DECIMAL ID4330012
  • Name LengthThis color has no name
  • Seen by search & AI crawlers8 times
  • Counting from2025-01-01