#586CA2
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
0.154
Hue H
224°
Saturation S
30%
Lightness L
49%
Value V
64%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 5.14:1 (AA body Pass / AAA Fail)
Contrast on black: 4.08:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#586ca2
Protanopia
#616195
Deuteranopia
#605e92
Tritanopia
#598b88
Achromatopsia
#6c6c6c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.