Information about #151B2D color
Basic facts about this digital color
A moderately toned deep-sea blue, #151B2D leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Elderberry (#17182B). Its next-closest registered neighbors are I am Core Group International (#151529) and Coarse Wool (#181B26).
The recipe behind #151B2D is rgb(21, 27, 45), with blue as the dominant ingredient. Accessibility-wise, white text works best on #151B2D: 17.1:1 contrast (passing WCAG AAA) versus 1.2:1 for black. For print, note the heavy black component (K:82) — ink coverage matters with tones this deep. #151B2D has no official name yet. If this shade means something to you, you can be the one to name it.
#151B2D color variations
View this color variations of tints, shades, tones and hues.
#151B2D color tints
Tints look brighter, pastel, and less intense.
#151B2D color shades
Shades look darker, richer, and more solid.
#151B2D color tones
Tones looks more sophisticated and complex than base colors.
#151B2D color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#151B2D 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 #151B2D color
View adjacent and very similar colors.
Nearest named colors to #151B2D
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#17182B
#151529
#181B26
#112331
#1E222C
#1B2431
#1D2134
#19282B
#1C2728
#1E272C
#1F262A
#1C1D1F
#151B2D color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#151B2D
- RGB21, 27, 45
- CMYK9, 7, 0, 82
- CSSrgb(21, 27, 45)
- HSL225°, 36%, 13%
- HSL Precise225°, 36.364%, 12.941%
- HSV225°, 53%, 18%
- HSB225°, 53%, 18%
- Normalized R (0.0–1.0)0.082
- Normalized G (0.0–1.0)0.106
- Normalized B (0.0–1.0)0.176
- GLSLvec3(0.082, 0.106, 0.176)
- GLSL with alphavec4(0.082, 0.106, 0.176, 1.000)
- HLSL / Metalfloat3(0.082, 0.106, 0.176)
- Percentage of Red in RGB8.2%
- Percentage of Green in RGB10.6%
- Percentage of Blue in RGB17.6%
- Color FamilyBlue
- Saturation FamilyMild Saturation
- Lightness FamilyDark
- HEX ID151B2D
- DECIMAL ID1383213
- Name LengthThis color has no name
- Seen by search & AI crawlers24 times
- Counting from2025-01-01
