#00405C
Approximate name: Midnight 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
MidnightBlue
Relative luminance
0.044
Hue H
198°
Saturation S
100%
Lightness L
18%
Value V
36%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Cyan
Contrast on white: 11.12:1 (AA body Pass / AAA Pass)
Contrast on black: 1.89:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#00405c
Protanopia
#1c1c55
Deuteranopia
#181354
Tritanopia
#03504f
Achromatopsia
#303030
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.