Information about #233F55 color

#233F55 color image

Basic facts about this digital color

In the Register's classification, #233F55 belongs to the Azure Color Family, featuring Moderate Saturation and Dark brightness. The mix behind it: rgb(35, 63, 85) — 13.7% red, 24.7% green, 33.3% blue; the print equivalent is CMYK 20 / 9 / 0 / 67. New to color codes? See our guide to RGB color codes.

The color #233F55 reads as a confidently colored azure and leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Regal Blue (#203F58). Its next-closest registered neighbors are Dark Azure (#274059) and Blue Clouds (#273C5A).

In RGB terms — rgb(35, 63, 85) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #233F55: 11.0:1 contrast (passing WCAG AAA) versus 1.9:1 for black. For print, note the heavy black component (K:67) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #233F55 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#233F55 color variations

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

#233F55 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 #233F55

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

Regal Blue color link
Regal Blue

#203F58

Dark Azure color link
Dark Azure

#274059

Blue Clouds color link
Blue Clouds

#273C5A

Nile Blue color link
Nile Blue

#253F4E

Midnight Oil color link
Midnight Oil

#283854

Ares blue color link
Ares blue

#2D4255

Cello color link
Cello

#1E385B

Madison color link
Madison

#2D3C54

Conversions between color systems and etc.

  • HEX#233F55
  • RGB35, 63, 85
  • CMYK20, 9, 0, 67
  • CSSrgb(35, 63, 85)
  • HSL206°, 42%, 24%
  • HSL Precise206.4°, 41.667%, 23.529%
  • HSV206°, 59%, 33%
  • HSB206°, 59%, 33%
  • Normalized R (0.0–1.0)0.137
  • Normalized G (0.0–1.0)0.247
  • Normalized B (0.0–1.0)0.333
  • GLSLvec3(0.137, 0.247, 0.333)
  • GLSL with alphavec4(0.137, 0.247, 0.333, 1.000)
  • HLSL / Metalfloat3(0.137, 0.247, 0.333)
  • Percentage of Red in RGB13.7%
  • Percentage of Green in RGB24.7%
  • Percentage of Blue in RGB33.3%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID233F55
  • DECIMAL ID2309973
  • Name LengthThis color has no name
  • This page visited1 times
  • Counting from2025-01-01