Information about #213D68 color

#213D68 color image

Basic facts about this digital color

In the Register's classification, #213D68 belongs to the Azure Color Family, featuring Moderate Saturation and Neutral brightness. In numbers: rgb(33, 61, 104) (12.9% red, 23.9% green, 40.8% blue), or CMYK 28 / 17 / 0 / 59 for print. New to color codes? See our guide to RGB color codes.

#213D68 presents itself as a pleasantly vivid sky-leaning azure — one that sits comfortably between light and dark. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is just a few steps away from Into The Blue (#193766). Nearby in the Register you will also find Shipshape (#21425F) and Filmpro Ultramarine Blue (#2C3E6B).

Technically, the mix leans on its blue channel (rgb(33, 61, 104)), which gives #213D68 its character. If you plan to put text on a #213D68 background, choose white — the contrast ratio is 10.9:1 (passing WCAG AAA), while black manages only 1.9:1. Out of 16,777,216 possible colors, #213D68 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#213D68 color variations

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

#213D68 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 #213D68

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

Shipshape color link
Shipshape

#21425F

Apollo Blue color link
Apollo Blue

#163968

Ford Blue color link
Ford Blue

#2C3968

Confidante color link
Confidante

#233167

Cello color link
Cello

#1E385B

Biscay color link
Biscay

#1B3162

Wet N Wild color link
Wet N Wild

#254375

Wanaka color link
Wanaka

#284962

Blue Clouds color link
Blue Clouds

#273C5A

Conversions between color systems and etc.

  • HEX#213D68
  • RGB33, 61, 104
  • CMYK28, 17, 0, 59
  • CSSrgb(33, 61, 104)
  • HSL216°, 52%, 27%
  • HSL Precise216.338°, 51.825%, 26.863%
  • HSV216°, 68%, 41%
  • HSB216°, 68%, 41%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.239
  • Normalized B (0.0–1.0)0.408
  • GLSLvec3(0.129, 0.239, 0.408)
  • GLSL with alphavec4(0.129, 0.239, 0.408, 1.000)
  • HLSL / Metalfloat3(0.129, 0.239, 0.408)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB23.9%
  • Percentage of Blue in RGB40.8%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyNeutral
  • HEX ID213D68
  • DECIMAL ID2178408
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01