#00008B
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
0.019
Hue H
240°
Saturation S
100%
Lightness L
27%
Value V
55%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 15.30:1 (AA body Pass / AAA Pass)
Contrast on black: 1.37:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#00008b
Protanopia
#000069
Deuteranopia
#000061
Tritanopia
#004f49
Achromatopsia
#101010
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.