Information about #233F4F color

#233F4F color image

Basic facts about this digital color

The digital color #233F4F is classified in the Register under the Azure Color Family, with Mild Saturation and Dark brightness. In numbers: rgb(35, 63, 79) (13.7% red, 24.7% green, 31% blue), or CMYK 17 / 6 / 0 / 69 for print. Curious how these numbers work? Read our RGB color codes guide.

#233F4F is a softly balanced steel-blue azure 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 Nile Blue (#253F4E). Nearby in the Register you will also find Dark Blue Grey (#1F3B4D) and Tarawera (#253C48).

In RGB terms — rgb(35, 63, 79) — the blue channel does the heavy lifting here. If you plan to put text on a #233F4F background, choose white — the contrast ratio is 11.1:1 (passing WCAG AAA), while black manages only 1.9:1. On paper it relies strongly on black ink (K:69), so proof dark layouts before a large print run. #233F4F has no official name yet. If this shade means something to you, you can be the one to name it.

#233F4F color variations

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

#233F4F 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 #233F4F

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

Conversions between color systems and etc.

  • HEX#233F4F
  • RGB35, 63, 79
  • CMYK17, 6, 0, 69
  • CSSrgb(35, 63, 79)
  • HSL202°, 39%, 22%
  • HSL Precise201.818°, 38.596%, 22.353%
  • HSV202°, 56%, 31%
  • HSB202°, 56%, 31%
  • Normalized R (0.0–1.0)0.137
  • Normalized G (0.0–1.0)0.247
  • Normalized B (0.0–1.0)0.310
  • GLSLvec3(0.137, 0.247, 0.310)
  • GLSL with alphavec4(0.137, 0.247, 0.310, 1.000)
  • HLSL / Metalfloat3(0.137, 0.247, 0.310)
  • Percentage of Red in RGB13.7%
  • Percentage of Green in RGB24.7%
  • Percentage of Blue in RGB31%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID233F4F
  • DECIMAL ID2309967
  • Name LengthThis color has no name
  • This page visited1 times
  • Counting from2025-01-01