Information about #21097B color
Basic facts about this digital color
#21097B presents itself as a pure, full-strength classic blue — one that holds a balanced mid-tone. It is a natural fit for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is just a few steps away from PHCH (#201173). Its next-closest registered neighbors are ACE Blue (#290177) and Royal Navy (#1A0076).
Technically, the mix leans on its blue channel (rgb(33, 9, 123)), which gives #21097B its character. If you plan to put text on a #21097B background, choose white — the contrast ratio is 15.1:1 (passing WCAG AAA), while black manages only 1.4:1. No one has named #21097B so far. Register a name for it and it becomes a permanent record.
#21097B color variations
View this color variations of tints, shades, tones and hues.
#21097B color tints
Tints look brighter, pastel, and less intense.
#21097B color shades
Shades look darker, richer, and more solid.
#21097B color tones
Tones looks more sophisticated and complex than base colors.
#21097B color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#21097B 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.
Split complementary
Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.
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.
Triadic
Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.
Tetradic
Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.
Square
Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.
Alternatives to #21097B color
View adjacent and very similar colors.
Nearest named colors to #21097B
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#201173
#290177
#1A0076
#32127A
#2A128A
#191970
#33006F
#33036B
#1A1F71
#391285
#151B8D
#1D1160
#21097B color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#21097B
- RGB33, 9, 123
- CMYK35, 45, 0, 52
- CSSrgb(33, 9, 123)
- HSL253°, 86%, 26%
- HSL Precise252.632°, 86.364%, 25.882%
- HSV253°, 93%, 48%
- HSB253°, 93%, 48%
- Normalized R (0.0–1.0)0.129
- Normalized G (0.0–1.0)0.035
- Normalized B (0.0–1.0)0.482
- GLSLvec3(0.129, 0.035, 0.482)
- GLSL with alphavec4(0.129, 0.035, 0.482, 1.000)
- HLSL / Metalfloat3(0.129, 0.035, 0.482)
- Percentage of Red in RGB12.9%
- Percentage of Green in RGB3.5%
- Percentage of Blue in RGB48.2%
- Color FamilyBlue
- Saturation FamilyFull Saturation
- Lightness FamilyNeutral
- HEX ID21097B
- DECIMAL ID2165115
- Name LengthThis color has no name
- Seen by search & AI crawlers15 times
- Counting from2025-01-01
