Pure Red
Pure Red Parameter Conversion Table
More converters →Pure Red Color Schemes
Pure Red WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Pure Red Shade Variants
Gradient Generator →Pure Red Color Introduction
Definition
Pure Red (HEX #FF0000) has the RGB value rgb(255, 0, 0), the HSL value hsl(0°, 100%, 50%) and the CMYK print value cmyk(0%, 100%, 100%, 0%). In terms of color schemes, the complement of Pure Red is #00FFFF, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #FF0080 and #FF8000 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#00FF80, #007FFF) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Pure Red uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Pure Red has a contrast ratio of 4.00:1 against white and 5.25:1 against black; paired with a black background it reaches AA, making it suitable for text in dark mode.
Color Characteristics
Red is the most impactful color, evoking fire, blood and the sun. It grabs attention instantly and is almost the default choice in promotions, dining and sports. Specifically, Pure Red has a lightness of 50% and a saturation of 100%, striking and generous as a background or primary color, offering good readability with either light or dark text; moreover, its saturation is extremely high and its visual tension is strong, so it works best used sparingly as a focal accent. In a word: The origin of RGB.
Color Psychology
Red can evoke passion, courage and urgency, with a marked arousing and motivating effect; psychologically it symbolizes enthusiasm, energy and drive. For this reason Pure Red tends to leave a first impression of being passionate and direct in the viewer’s mind, and this emotional tone also defines the role it plays in design.
Best Uses
Red suits big promotions, restaurant menus, sports posters and any visual design that needs emotional intensity. In real projects, Pure Red is also often used as a dark background or heading text color; in “Red”-themed designs, the adjacent colors or lightness gradients built around it quickly establish a cohesive, clearly layered color scheme.
Pure Red 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.

