#5447FF
Approximate name: Royal Blue
Technical formats
Color-space values for scientific work and cross-device comparison.
Practical formats
Ready to paste into CSS, Tailwind, iOS, Android, Flutter, and more.
Color analysis
Objective metrics: luminance, hue, saturation, temperature, and contrast.
Nearest name
RoyalBlue
Relative luminance
0.136
Hue H
244°
Saturation S
100%
Lightness L
64%
Value V
100%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 5.64:1 (AA body Pass / AAA Fail)
Contrast on black: 3.72:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#5447ff
Protanopia
#4e4ed3
Deuteranopia
#4f50c8
Tritanopia
#53afa8
Achromatopsia
#606060
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.