Information about #155B5D color
Basic facts about this digital color
A energetic, saturated cyan, #155B5D carries a shadowy depth. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is a near neighbor of Retro (#1B5256). Nearby in the Register you will also find Dark Green Blue (#1F6357) and Caesar (#1B6767).
In RGB terms — rgb(21, 91, 93) — the blue channel does the heavy lifting here. If you plan to put text on a #155B5D background, choose white — the contrast ratio is 7.8:1 (passing WCAG AAA), while black manages only 2.7:1. For print, note the heavy black component (K:64) — ink coverage matters with tones this deep. #155B5D has no official name yet. If this shade means something to you, you can be the one to name it.
#155B5D color variations
View this color variations of tints, shades, tones and hues.
#155B5D color tints
Tints look brighter, pastel, and less intense.
#155B5D color shades
Shades look darker, richer, and more solid.
#155B5D color tones
Tones looks more sophisticated and complex than base colors.
#155B5D color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#155B5D 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 #155B5D color
View adjacent and very similar colors.
Nearest named colors to #155B5D
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#1B5256
#1F6357
#1B6767
#154C65
#1F4F54
#266255
#275359
#0B6A54
#256761
#275953
#21584C
#194F6E
#155B5D color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#155B5D
- RGB21, 91, 93
- CMYK28, 1, 0, 64
- CSSrgb(21, 91, 93)
- HSL182°, 63%, 22%
- HSL Precise181.667°, 63.158%, 22.353%
- HSV182°, 77%, 36%
- HSB182°, 77%, 36%
- Normalized R (0.0–1.0)0.082
- Normalized G (0.0–1.0)0.357
- Normalized B (0.0–1.0)0.365
- GLSLvec3(0.082, 0.357, 0.365)
- GLSL with alphavec4(0.082, 0.357, 0.365, 1.000)
- HLSL / Metalfloat3(0.082, 0.357, 0.365)
- Percentage of Red in RGB8.2%
- Percentage of Green in RGB35.7%
- Percentage of Blue in RGB36.5%
- Color FamilyCyan
- Saturation FamilyHigh Saturation
- Lightness FamilyDark
- HEX ID155B5D
- DECIMAL ID1399645
- Name LengthThis color has no name
- Seen by search & AI crawlers8 times
- Counting from2025-01-01
