Information about #121D59 color

#121D59 color image

Basic facts about this digital color

#121D59 falls into the Blue Color Family — High Saturation, Dark brightness. Its exact recipe is rgb(18, 29, 89) — 7.1% red, 11.4% green, 34.9% blue — and for print it converts to CMYK 28 / 24 / 0 / 65. Curious how these numbers work? Read our RGB color codes guide.

#121D59 is a energetic, saturated blue that leans clearly toward the dark side. It is a natural fit for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Tottenham Navy (#132257). Its next-closest registered neighbors are Downriver (#092256) and Brewers Blue (#0A2351).

In RGB terms — rgb(18, 29, 89) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #121D59: 15.6:1 contrast (passing WCAG AAA) versus 1.3:1 for black. For print, note the heavy black component (K:65) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #121D59 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#121D59 color variations

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

#121D59 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 #121D59

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

Downriver color link
Downriver

#092256

Brewers Blue color link
Brewers Blue

#0A2351

Braves Navy color link
Braves Navy

#13274F

OSS Blue color link
OSS Blue

#1B2450

Gulf Blue color link
Gulf Blue

#051657

Blue Zodiac color link
Blue Zodiac

#13264D

Penn Blue color link
Penn Blue

#011F5B

Suns Purple color link
Suns Purple

#1D1160

Space Cadet color link
Space Cadet

#1D2951

Norway Blue color link
Norway Blue

#00205B

Conversions between color systems and etc.

  • HEX#121D59
  • RGB18, 29, 89
  • CMYK28, 24, 0, 65
  • CSSrgb(18, 29, 89)
  • HSL231°, 66%, 21%
  • HSL Precise230.704°, 66.355%, 20.98%
  • HSV231°, 80%, 35%
  • HSB231°, 80%, 35%
  • Normalized R (0.0–1.0)0.071
  • Normalized G (0.0–1.0)0.114
  • Normalized B (0.0–1.0)0.349
  • GLSLvec3(0.071, 0.114, 0.349)
  • GLSL with alphavec4(0.071, 0.114, 0.349, 1.000)
  • HLSL / Metalfloat3(0.071, 0.114, 0.349)
  • Percentage of Red in RGB7.1%
  • Percentage of Green in RGB11.4%
  • Percentage of Blue in RGB34.9%
  • Color FamilyBlue
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID121D59
  • DECIMAL ID1187161
  • Name LengthThis color has no name
  • Seen by search & AI crawlers15 times
  • Counting from2025-01-01