#669EFF
Approximate name: Cornflower 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
CornflowerBlue
Relative luminance
0.345
Hue H
218°
Saturation S
100%
Lightness L
70%
Value V
100%
Temperature
Cool
Brightness
Medium
Chroma
Vivid
Hue family
Blue
Contrast on white: 2.66:1 (AA body Fail / AAA Fail)
Contrast on black: 7.90:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#669eff
Protanopia
#7e7fe8
Deuteranopia
#7b77e2
Tritanopia
#69d5d1
Achromatopsia
#989898
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.