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Dark Blue Color coordinates; Hex triplet #00008B: sRGB B (r, g, b) (0, 0, 139) HSV (h, s, v) (240°, 100%, 55%) CIELCh uv (L, C, h) (15, 60, 266°) Source: X11: ISCC–NBS descriptor: Vivid blue: B: Normalized to [0–255] (byte)
Navy blue is a dark shade of the color blue. French sailor in dark blue uniform. Navy blue got its name from the dark blue (contrasted with naval white) worn by officers in the Royal Navy since 1748 and subsequently adopted by other navies around the world.
Blue is a color, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440–490 nm. It is considered one of the additive primary colors .
Blue Sapphire Color coordinates; Hex triplet #126180: sRGB B (r, g, b) (18, 97, 128) HSV (h, s, v) (197°, 86%, 50%) CIELCh uv (L, C, h) (38, 40, 232°) Source: Pantone TPX: ISCC–NBS descriptor: Dark greenish blue: B: Normalized to [0–255] (byte)
Dark sky blue Colour coordinates; Hex triplet #8CBED6: sRGB B (r, g, b) (140, 190, 214) HSV (h, s, v) (199°, 35%, 84%) CIELCh uv (L, C, h) (74, 36, 225°) Source: ISCC–NBS descriptor: Light greenish blue: B: Normalized to [0–255] (byte)
Yale Blue is the dark blue color used in association with Yale University. History [ edit ] The flag in this painting of the Yale 1859 crew team is believed to be the first documented Yale Blue, though the photograph is in black and white.
The ancient Greeks classified colours by whether they were light or dark, rather than by their hue. The Greek word for dark blue, kyaneos, could also mean dark green, violet, black or brown. The ancient Greek word for a light blue, glaukos, also could mean light green, grey, or yellow.
Indigo dye is a dark blue crystalline powder that sublimes at 390–392 °C (734–738 °F). It is insoluble in water, alcohol , or ether , but soluble in DMSO , chloroform , nitrobenzene , and concentrated sulfuric acid .
This clustering results in a dark blue color that is the appearance of coarse Egyptian blue. Alternatively, fine-textured Egyptian blue consists of smaller clusters that are uniformly interspersed between the unreacted quartz grains and tends to be light blue in color.
Color. Light to dark blue. YInMn Blue (/jɪnmɪn/; for the chemical symbols Y for yttrium, In for indium, and Mn for manganese ), also known as Oregon Blue or Mas Blue, is an inorganic blue pigment that was discovered by Mas Subramanian and his (then) graduate student, Andrew Smith, at Oregon State University in 2009.
