Blue Grey
Blue Grey Parameter Conversion Table
More converters →Blue Grey Color Schemes
Blue Grey WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Blue Grey Shade Variants
Gradient Generator →Blue Grey Color Introduction
Definition
Blue Grey (HEX #5B686D) has the RGB value rgb(91, 104, 109), the HSL value hsl(197°, 9%, 39%) and the CMYK print value cmyk(17%, 5%, 0%, 57%). In terms of color schemes, the complement of Blue Grey is #6D605B, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #5B6D69 and #5B5F6D that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#6D5B5F, #6D695B) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Blue Grey uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Blue Grey has a contrast ratio of 5.76:1 against white and 3.65:1 against black; paired with a white background it reaches AA, giving body text good readability.
Color Characteristics
Gray offers an exceptionally rich range of lightness levels, from silver to charcoal, each with its own character; it is a core color in modern minimalist design and industrial style. Specifically, Blue Grey has a lightness of 39% and a saturation of 9%, striking and generous as a background or primary color, offering good readability with either light or dark text; moreover, it contains almost no chromatic content, giving it a restrained, understated character that makes it ideal for creating a premium feel and a sense of space. In a word: The standard blue-gray for industrial equipment.
Color Psychology
Psychologically, gray stands for balance and restraint. Used well it creates a refined, calm atmosphere, but in large areas it can also feel dull and needs lightness variation to keep it lively. For this reason Blue Grey tends to leave a first impression of being calm and restrained in the viewer’s mind, and this emotional tone also defines the role it plays in design.
Best Uses
Gray is commonly used for secondary text, dividers, disabled states and card backgrounds — an indispensable structural color for building interface hierarchy. In real projects, Blue Grey is also often used as a dark background or heading text color; in “Gray”-themed designs, the adjacent colors or lightness gradients built around it quickly establish a cohesive, clearly layered color scheme.
Blue Grey 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.