Information about #233B57 color

#233B57 color image

Basic facts about this digital color

#233B57 falls into the Azure Color FamilyModerate Saturation, Dark brightness. The mix behind it: rgb(35, 59, 87) — 13.7% red, 23.1% green, 34.1% blue; the print equivalent is CMYK 20 / 11 / 0 / 66. Curious how these numbers work? Read our RGB color codes guide.

#233B57 presents itself as a confidently colored azure — one 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 a hair away from Dark Cobalt Blue (#273A59). Its next-closest registered neighbors are Regal Blue (#203F58) and Blue Clouds (#273C5A).

In RGB terms — rgb(35, 59, 87) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #233B57: 11.4:1 contrast (passing WCAG AAA) versus 1.8:1 for black. For print, note the heavy black component (K:66) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #233B57 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#233B57 color variations

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

#233B57 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 #233B57

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#233B57
  • RGB35, 59, 87
  • CMYK20, 11, 0, 66
  • CSSrgb(35, 59, 87)
  • HSL212°, 43%, 24%
  • HSL Precise212.308°, 42.623%, 23.922%
  • HSV212°, 60%, 34%
  • HSB212°, 60%, 34%
  • Normalized R (0.0–1.0)0.137
  • Normalized G (0.0–1.0)0.231
  • Normalized B (0.0–1.0)0.341
  • GLSLvec3(0.137, 0.231, 0.341)
  • GLSL with alphavec4(0.137, 0.231, 0.341, 1.000)
  • HLSL / Metalfloat3(0.137, 0.231, 0.341)
  • Percentage of Red in RGB13.7%
  • Percentage of Green in RGB23.1%
  • Percentage of Blue in RGB34.1%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID233B57
  • DECIMAL ID2308951
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01