#2E99D4
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
0.281
Hue H
201°
Saturation S
66%
Lightness L
51%
Value V
83%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 3.17:1 (AA body Fail / AAA Fail)
Contrast on black: 6.62:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2e99d4
Protanopia
#5c5dc6
Deuteranopia
#564ec2
Tritanopia
#33bab8
Achromatopsia
#808080
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.