#2973BC
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
0.164
Hue H
210°
Saturation S
64%
Lightness L
45%
Value V
74%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 4.91:1 (AA body Pass / AAA Fail)
Contrast on black: 4.27:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2973bc
Protanopia
#494aaa
Deuteranopia
#453fa6
Tritanopia
#2d9c99
Achromatopsia
#656565
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.