#664E4C
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
0.088
Hue H
5°
Saturation S
15%
Lightness L
35%
Value V
40%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Red
Contrast on white: 7.61:1 (AA body Pass / AAA Pass)
Contrast on black: 2.76:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#664e4c
Protanopia
#5c5b4c
Deuteranopia
#5d5f4d
Tritanopia
#654d4d
Achromatopsia
#555555
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.