#9999A8
Approximate name: Dark Gray
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
DarkGray
Relative luminance
0.324
Hue H
240°
Saturation S
8%
Lightness L
63%
Value V
66%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Blue
Contrast on white: 2.81:1 (AA body Fail / AAA Fail)
Contrast on black: 7.48:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#9999a8
Protanopia
#9999a4
Deuteranopia
#9999a4
Tritanopia
#99a2a1
Achromatopsia
#9b9b9b
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.