#5A6AB3
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
0.157
Hue H
229°
Saturation S
37%
Lightness L
53%
Value V
70%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 5.06:1 (AA body Pass / AAA Fail)
Contrast on black: 4.15:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#5a6ab3
Protanopia
#6161a1
Deuteranopia
#605f9d
Tritanopia
#5b9390
Achromatopsia
#6e6e6e
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.