Information about #15223F color

#15223F color image

Basic facts about this digital color

In the Register's classification, #15223F belongs to the Azure Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(21, 34, 63) (8.2% red, 13.3% green, 24.7% blue), or CMYK 16 / 11 / 0 / 75 for print. Curious how these numbers work? Read our RGB color codes guide.

#15223F presents itself as a clearly saturated sky-leaning 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 almost identical to Navy Blue Bellflower (#191F45). Its next-closest registered neighbors are Titans Navy (#0C2340) and Yankees Blue (#1C2841).

The recipe behind #15223F is rgb(21, 34, 63), with blue as the dominant ingredient. Accessibility-wise, white text works best on #15223F: 15.8:1 contrast (passing WCAG AAA) versus 1.3:1 for black. On paper it relies strongly on black ink (K:75), so proof dark layouts before a large print run. #15223F has no official name yet. If this shade means something to you, you can be the one to name it.

#15223F color variations

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

#15223F 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 #15223F

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#15223F
  • RGB21, 34, 63
  • CMYK16, 11, 0, 75
  • CSSrgb(21, 34, 63)
  • HSL221°, 50%, 16%
  • HSL Precise221.429°, 50%, 16.471%
  • HSV221°, 67%, 25%
  • HSB221°, 67%, 25%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.133
  • Normalized B (0.0–1.0)0.247
  • GLSLvec3(0.082, 0.133, 0.247)
  • GLSL with alphavec4(0.082, 0.133, 0.247, 1.000)
  • HLSL / Metalfloat3(0.082, 0.133, 0.247)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB13.3%
  • Percentage of Blue in RGB24.7%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID15223F
  • DECIMAL ID1385023
  • Name LengthThis color has no name
  • Seen by search & AI crawlers8 times
  • Counting from2025-01-01