#646D64
Approximate name: Dim 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
DimGray
Relative luminance
0.146
Hue H
120°
Saturation S
4%
Lightness L
41%
Value V
43%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 5.37:1 (AA body Pass / AAA Fail)
Contrast on black: 3.91:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#646d64
Protanopia
#686866
Deuteranopia
#676767
Tritanopia
#646868
Achromatopsia
#696969
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.