#3676C9
Approximate name: Steel 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
SteelBlue
Relative luminance
0.18
Hue H
214°
Saturation S
58%
Lightness L
50%
Value V
79%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 4.57:1 (AA body Pass / AAA Fail)
Contrast on black: 4.59:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#3676c9
Protanopia
#5252b5
Deuteranopia
#4e49b0
Tritanopia
#39a5a2
Achromatopsia
#6c6c6c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.