#5754E8
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
0.142
Hue H
241°
Saturation S
76%
Lightness L
62%
Value V
91%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 5.47:1 (AA body Pass / AAA Fail)
Contrast on black: 3.84:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#5754e8
Protanopia
#5656c4
Deuteranopia
#5656bc
Tritanopia
#57a8a2
Achromatopsia
#666666
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.