#0033A0
Approximate name: Dark 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
DarkBlue
Relative luminance
0.049
Hue H
221°
Saturation S
100%
Lightness L
31%
Value V
63%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 10.60:1 (AA body Pass / AAA Pass)
Contrast on black: 1.98:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#0033a0
Protanopia
#161786
Deuteranopia
#130f7f
Tritanopia
#03716c
Achromatopsia
#303030
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.