#2E4D4B
Approximate name: Dark Slate 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
DarkSlateGray
Relative luminance
0.064
Hue H
176°
Saturation S
25%
Lightness L
24%
Value V
30%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 9.21:1 (AA body Pass / AAA Pass)
Contrast on black: 2.28:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2e4d4b
Protanopia
#3b3c4b
Deuteranopia
#3a374c
Tritanopia
#304c4c
Achromatopsia
#444444
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.