Red
Blood Red
Blood Red
#660000Click to copy
Blood Red Parameter Conversion Table
More converters →HEX#660000Copy
RGBrgb(102, 0, 0)Copy
HSLhsl(0, 100%, 20%)Copy
HSV/HSBhsv(0, 100%, 40%)Copy
CMYKcmyk(0%, 100%, 100%, 60%)Copy
Blood Red Color Schemes
Complementary
#660000
Click to copy#006666
Click to copyAnalogous
#660033
Click to copy#663300
Click to copySplit Complementary
#006633
Click to copy#003366
Click to copyMonochromatic
#660000
Click to copy#BD0F0F
Click to copy#F04242
Click to copy#000000
Click to copy#000000
Click to copy#000000
Click to copyBlood Red 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
13.42 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
1.56 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
12.31 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.06 : 1
AA NormalAA LargeAAA NormalAAA Large
Blood Red 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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Blood Red Color Introduction
Definition
Blood Red (HEX #660000) has the RGB value rgb(102, 0, 0), the HSL value hsl(0°, 100%, 20%) and the CMYK print value cmyk(0%, 100%, 100%, 60%). In terms of color schemes, the complement of Blood Red is #006666, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #660033 and #663300 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#006633, #003366) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Blood Red uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Blood Red has a contrast ratio of 13.42:1 against white and 1.56:1 against black; paired with a white background it reaches AAA, making body text highly readable.
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, Blood Red has a lightness of 20% and a saturation of 100%, steady and powerful as a background or primary color, pairing well with light text for good readability; 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 surging undercurrent of life.
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 Blood 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, Blood 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.
Blood 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.