Information about #2D3F4F color

#2D3F4F color image

Basic facts about this digital color

In the Register's classification, #2D3F4F belongs to the Azure Color Family, featuring Mild Saturation and Dark brightness. The mix behind it: rgb(45, 63, 79) — 17.6% red, 24.7% green, 31% blue; the print equivalent is CMYK 13 / 6 / 0 / 69. New to color codes? See our guide to RGB color codes.

The color #2D3F4F reads as a softly balanced azure and leans clearly toward the dark side. Designers typically reach for tones like this for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Madison (#2D3C54). Its next-closest registered neighbors are Ares blue (#2D4255) and Charcoal Blue (#2D4256).

In RGB terms — rgb(45, 63, 79) — the blue channel does the heavy lifting here. If you plan to put text on a #2D3F4F background, choose white — the contrast ratio is 10.9:1 (passing WCAG AAA), while black manages only 1.9:1. For print, note the heavy black component (K:69) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#2D3F4F color variations

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

#2D3F4F 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 #2D3F4F

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

Madison color link
Madison

#2D3C54

Ares blue color link
Ares blue

#2D4255

Nile Blue color link
Nile Blue

#253F4E

Cloud Burst color link
Cloud Burst

#353E4F

Avalanche color link
Avalanche

#354152

Vintage Blue color link
Vintage Blue

#303D57

Midnight Oil color link
Midnight Oil

#283854

Charcoal color link
Charcoal

#36454F

Big Stone color link
Big Stone

#334046

Tarawera color link
Tarawera

#253C48

Conversions between color systems and etc.

  • HEX#2D3F4F
  • RGB45, 63, 79
  • CMYK13, 6, 0, 69
  • CSSrgb(45, 63, 79)
  • HSL208°, 27%, 24%
  • HSL Precise208.235°, 27.419%, 24.314%
  • HSV208°, 43%, 31%
  • HSB208°, 43%, 31%
  • Normalized R (0.0–1.0)0.176
  • Normalized G (0.0–1.0)0.247
  • Normalized B (0.0–1.0)0.310
  • GLSLvec3(0.176, 0.247, 0.310)
  • GLSL with alphavec4(0.176, 0.247, 0.310, 1.000)
  • HLSL / Metalfloat3(0.176, 0.247, 0.310)
  • Percentage of Red in RGB17.6%
  • Percentage of Green in RGB24.7%
  • Percentage of Blue in RGB31%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID2D3F4F
  • DECIMAL ID2965327
  • Name LengthThis color has no name
  • Seen by search & AI crawlers316 times
  • Counting from2025-01-01