Duke Blue (#00009C) Color Information
Duke Blue (#00009C) RGB value is (0, 0, 156). The hex color red value is 0, green is 0, and blue is 156. Its HSL format shows a hue of 240°, saturation of 100 percent, and lightness of31 percent. The CMYK process values are 100 percent, 100 percent, 0 percent, 39percent.
Duke Blue (#00009C) Color Meaning
Duke Blue (#00009C) signifies elite tradition, academic excellence, and dark sapphire prestige. This very dark, pure blue is the color of Duke University, suggesting deep loyalty, intellectual rigor, and a rich, almost nocturnal pride. Psychologically, Duke Blue (#00009C) inspires deep respect, a sense of belonging to an elite tradition, and focused, ambitious intellect. It culturally references collegiate identity, academic rivalry, and the dark blue of midnight sky before true night. Spiritually, this color represents the pursuit of profound knowledge, loyalty to a high ideal, and ambition that is as deep as it is bright, acting as a symbol for dignified, intellectual passion.
Color Conversion
Convert Duke Blue (#00009C) across different color models and formats. These conversions help designers work seamlessly between digital and print media, ensuring this color maintains its intended appearance across RGB screens, CMYK printers, and HSL color manipulations.
RGB Values & CMYK Values
RGB Values
CMYK Values
Color Variations
Duke Blue (#00009C) harmonies come to life through carefully balanced shades, tints, and tones, giving this color depth and flexibility across light and dark variations. Shades add richness, tints bring an airy softness, and tones soften intensity, making it easy to pair in clean, modern palettes.
Color Harmonies
Duke Blue (#00009C) harmonies create beautiful relationships with other colors based on their position on the color wheel. Each harmony type offers unique design possibilities, enabling cohesive and visually appealing color schemes.
Analogous
Colors adjacent on the color wheel (30° apart)
Complementary
Colors opposite on the color wheel (180° apart)
Split Complementary
Three colors using one base hue and the two hues beside its opposite
Triadic
Three colors evenly spaced (120° apart)
Tetradic
Four colors forming a rectangle on the wheel
Square
Four colors evenly spaced (90° apart)
Double Split
Four colors formed from two base hues and the colors next to their opposites
Monochromatic
Variations of a single hue
Contrast Checker
(WCAG 2.1) Test Duke Blue (#00009C) for accessibility compliance against white and black backgrounds. Proper contrast ensures this color remains readable and usable for all audiences, meeting WCAG 2.1 standards for both normal and large text applications.
Sample Text
This is how your text will look with these colors.
Large Text (18pt+)
Normal Text
UI Components
Color Blindness Simulator
See how #00009C appears to people with different types of color vision deficiencies. These simulations help create more inclusive designs that consider how this color is perceived across various visual abilities.
Normal Vision
protanopia
Note: These simulations are approximations. Actual color vision deficiency varies by individual.
CSS Examples
Background Color
Text Color
Sample Text
Border Color
Box Shadow
Text Shadow
Sample Text
Gradient
Duke Blue (#00009C) Color FAQs
Frequently asked questions about Duke Blue (#00009C) color meaning, symbolism, and applications. Click on any question to expand detailed answers.