#5E91C0
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
0.264
Hue H
209°
Saturation S
44%
Lightness L
56%
Value V
75%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 3.34:1 (AA body Fail / AAA Fail)
Contrast on black: 6.29:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#5e91c0
Protanopia
#7475b5
Deuteranopia
#716db2
Tritanopia
#61acaa
Achromatopsia
#878787
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.