#338A8A
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
0.207
Hue H
180°
Saturation S
46%
Lightness L
37%
Value V
54%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 4.08:1 (AA body Fail / AAA Fail)
Contrast on black: 5.14:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#338a8a
Protanopia
#59598a
Deuteranopia
#544d8a
Tritanopia
#378a8a
Achromatopsia
#707070
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.