#66CAFF
Approximate name: Light Sky 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
LightSkyBlue
Relative luminance
0.523
Hue H
201°
Saturation S
100%
Lightness L
70%
Value V
100%
Temperature
Cool
Brightness
Medium
Chroma
Vivid
Hue family
Blue
Contrast on white: 1.83:1 (AA body Fail / AAA Fail)
Contrast on black: 11.46:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#66caff
Protanopia
#9192f2
Deuteranopia
#8c84ef
Tritanopia
#6be8e6
Achromatopsia
#b2b2b2
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.