Information about #233D4E color

#233D4E color image

Basic facts about this digital color

In the Register's classification, #233D4E belongs to the Azure Color Family, featuring Mild Saturation and Dark brightness. The mix behind it: rgb(35, 61, 78) — 13.7% red, 23.9% green, 30.6% blue; the print equivalent is CMYK 17 / 7 / 0 / 69. New to color codes? See our guide to RGB color codes.

The color #233D4E reads as a mildly saturated azure and carries a shadowy depth. 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 Nile Blue (#253F4E). Nearby in the Register you will also find Dark Blue Grey (#1F3B4D) and Tarawera (#253C48).

Technically, the mix leans on its blue channel (rgb(35, 61, 78)), which gives #233D4E its character. If you plan to put text on a #233D4E background, choose white — the contrast ratio is 11.4:1 (passing WCAG AAA), while black manages only 1.8:1. On paper it relies strongly on black ink (K:69), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #233D4E is still unnamed — it can be claimed and named in The Official Register of Color Names.

#233D4E color variations

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

#233D4E 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 #233D4E

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

Nile Blue color link
Nile Blue

#253F4E

Tarawera color link
Tarawera

#253C48

Midnight Oil color link
Midnight Oil

#283854

Regal Blue color link
Regal Blue

#203F58

Vintage Navy color link
Vintage Navy

#2A344D

Madison color link
Madison

#2D3C54

Dark Azure color link
Dark Azure

#274059

Blue Clouds color link
Blue Clouds

#273C5A

Bunting color link
Bunting

#2B3449

Conversions between color systems and etc.

  • HEX#233D4E
  • RGB35, 61, 78
  • CMYK17, 7, 0, 69
  • CSSrgb(35, 61, 78)
  • HSL204°, 38%, 22%
  • HSL Precise203.721°, 38.053%, 22.157%
  • HSV204°, 55%, 31%
  • HSB204°, 55%, 31%
  • Normalized R (0.0–1.0)0.137
  • Normalized G (0.0–1.0)0.239
  • Normalized B (0.0–1.0)0.306
  • GLSLvec3(0.137, 0.239, 0.306)
  • GLSL with alphavec4(0.137, 0.239, 0.306, 1.000)
  • HLSL / Metalfloat3(0.137, 0.239, 0.306)
  • Percentage of Red in RGB13.7%
  • Percentage of Green in RGB23.9%
  • Percentage of Blue in RGB30.6%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID233D4E
  • DECIMAL ID2309454
  • Name LengthThis color has no name
  • Seen by search & AI crawlers20 times
  • Counting from2025-01-01