Information about #591B18 color

#591B18 color image

Basic facts about this digital color

In the Register's classification, #591B18 belongs to the Red Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(89, 27, 24) (34.9% red, 10.6% green, 9.4% blue), or CMYK 0 / 24 / 25 / 65 for print. Curious how these numbers work? Read our RGB color codes guide.

#591B18 presents itself as a confidently colored earthy red — one that carries a shadowy depth. 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 Philippine Brown (#5D1916). Nearby in the Register you will also find Red Planet (#5A2019) and JayHawk Red (#58181F).

In RGB terms — rgb(89, 27, 24) — the red channel does the heavy lifting here. If you plan to put text on a #591B18 background, choose white — the contrast ratio is 13.2:1 (passing WCAG AAA), while black manages only 1.6:1. On paper it relies strongly on black ink (K:65), so proof dark layouts before a large print run. #591B18 has no official name yet. If this shade means something to you, you can be the one to name it.

#591B18 color variations

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

#591B18 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 #591B18

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

Red Planet color link
Red Planet

#5A2019

JayHawk Red color link
JayHawk Red

#58181F

Rata color link
Rata

#5D1F1E

Speed Demon color link
Speed Demon

#551B24

Red Baron color link
Red Baron

#511D22

Heath color link
Heath

#541012

Scoria color link
Scoria

#532620

Conversions between color systems and etc.

  • HEX#591B18
  • RGB89, 27, 24
  • CMYK0, 24, 25, 65
  • CSSrgb(89, 27, 24)
  • HSL3°, 58%, 22%
  • HSL Precise2.769°, 57.522%, 22.157%
  • HSV3°, 73%, 35%
  • HSB3°, 73%, 35%
  • Normalized R (0.0–1.0)0.349
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.094
  • GLSLvec3(0.349, 0.106, 0.094)
  • GLSL with alphavec4(0.349, 0.106, 0.094, 1.000)
  • HLSL / Metalfloat3(0.349, 0.106, 0.094)
  • Percentage of Red in RGB34.9%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB9.4%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID591B18
  • DECIMAL ID5839640
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01