Information about #21317C color

#21317C color image

Basic facts about this digital color

The digital color #21317C is classified in the Register under the Blue Color Family, with Moderate Saturation and Neutral brightness. Its exact recipe is rgb(33, 49, 124) — 12.9% red, 19.2% green, 48.6% blue — and for print it converts to CMYK 36 / 29 / 0 / 51. New to color codes? See our guide to RGB color codes.

A confidently colored deep-sea blue, #21317C sits comfortably between light and dark. Designers typically reach for tones like this for balanced palettes where no single element should shout. In The Official Register of Color Names it is a near neighbor of Lapis Blue (#15317E). Nearby in the Register you will also find Astronaut (#283A77) and Filmpro Digital Blue (#2D2480).

The recipe behind #21317C is rgb(33, 49, 124), with blue as the dominant ingredient. On this background, white text reaches a 11.7:1 contrast ratio (passing WCAG AAA); black stays at 1.8:1. No one has named #21317C so far. Register a name for it and it becomes a permanent record.

#21317C color variations

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

#21317C 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 #21317C

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

Lapis Blue color link
Lapis Blue

#15317E

Astronaut color link
Astronaut

#283A77

Submerge color link
Submerge

#113775

Coleman Blue color link
Coleman Blue

#2B358C

Blue Whale color link
Blue Whale

#342D7E

Wet N Wild color link
Wet N Wild

#254375

Picotee Blue color link
Picotee Blue

#2E2787

Luxury Blue color link
Luxury Blue

#1F2B8F

Believe color link
Believe

#352F77

Confidante color link
Confidante

#233167

Conversions between color systems and etc.

  • HEX#21317C
  • RGB33, 49, 124
  • CMYK36, 29, 0, 51
  • CSSrgb(33, 49, 124)
  • HSL229°, 58%, 31%
  • HSL Precise229.451°, 57.962%, 30.784%
  • HSV229°, 73%, 49%
  • HSB229°, 73%, 49%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.192
  • Normalized B (0.0–1.0)0.486
  • GLSLvec3(0.129, 0.192, 0.486)
  • GLSL with alphavec4(0.129, 0.192, 0.486, 1.000)
  • HLSL / Metalfloat3(0.129, 0.192, 0.486)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB19.2%
  • Percentage of Blue in RGB48.6%
  • Color FamilyBlue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyNeutral
  • HEX ID21317C
  • DECIMAL ID2175356
  • Name LengthThis color has no name
  • Seen by search & AI crawlers15 times
  • Counting from2025-01-01