Theory
Dark Cool Gray-Blue
Dark Cool Gray-Blue
#3E4A59Click to copy
Dark Cool Gray-Blue Parameter Conversion Table
More converters →HEX#3E4A59Copy
RGBrgb(62, 74, 89)Copy
HSLhsl(213, 18%, 30%)Copy
HSV/HSBhsv(213, 30%, 35%)Copy
CMYKcmyk(30%, 17%, 0%, 65%)Copy
Dark Cool Gray-Blue Color Schemes
Complementary
#3E4A59
Click to copy#594D3E
Click to copyAnalogous
#3E5859
Click to copy#3F3E59
Click to copySplit Complementary
#59403E
Click to copy#58593E
Click to copyMonochromatic
#3E4A59
Click to copy#7B7E82
Click to copy#AFB1B4
Click to copy#14181D
Click to copy#000000
Click to copy#000000
Click to copyDark Cool Gray-Blue WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Sample text Aa
White background #FFFFFF
9.02 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
2.33 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
8.27 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.40 : 1
AA NormalAA LargeAAA NormalAAA Large
Dark Cool Gray-Blue Shade Variants
Gradient Generator →Lighten with White Mixed with white for a lighter, softer color
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Darken with Black Mixed with black for a deeper, heavier color
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Muted / Morandi Mixed with gray and desaturated for a sophisticated muted tone
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Dark Cool Gray-Blue Color Introduction
Definition
Dark Cool Gray-Blue (HEX #3E4A59) has the RGB value rgb(62, 74, 89), the HSL value hsl(213°, 18%, 30%) and the CMYK print value cmyk(30%, 17%, 0%, 65%). In terms of color schemes, the complement of Dark Cool Gray-Blue is #594D3E, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #3E5859 and #3F3E59 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#593F3E, #58593E) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Dark Cool Gray-Blue uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Dark Cool Gray-Blue has a contrast ratio of 9.02:1 against white and 2.33:1 against black; paired with a white background it reaches AAA, making body text highly readable.
Color Characteristics
Blue is the color of sky and ocean, evoking vastness, trust and reason. Steady and imposing, it is almost irreplaceable in technology, finance and corporate identity design. Specifically, Dark Cool Gray-Blue has a lightness of 30% and a saturation of 18%, steady and powerful as a background or primary color, pairing well with light text for good readability; moreover, its saturation is fairly low and its gray tone is soft, carrying a quiet, Morandi-like character. In a word: A low-saturation deep cool color with a strong rational mood — a laptop-shell color for dark-cool personalities.
Color Psychology
Blue can evoke calm, focus and trust, with a marked stabilizing effect; psychologically it symbolizes reason, loyalty and depth. For this reason Dark Cool Gray-Blue tends to leave a first impression of being cool and reliable in the viewer’s mind, and this emotional tone also defines the role it plays in design.
Best Uses
Blue suits fintech, corporate websites, government systems and any scene that needs professional trust. In real projects, Dark Cool Gray-Blue is also often used as a dark background or heading text color; in “Blue”-themed designs, the adjacent colors or lightness gradients built around it quickly establish a cohesive, clearly layered color scheme.
Dark Cool Gray-Blue Featured In
This color is included in the following color cards and color families. Click a card to browse more colors in the corresponding collection.
