#2E686B
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
0.115
Hue H
183°
Saturation S
40%
Lightness L
30%
Value V
42%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 6.35:1 (AA body Pass / AAA Fail)
Contrast on black: 3.31:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2e686b
Protanopia
#47486a
Deuteranopia
#443f6a
Tritanopia
#316a6a
Achromatopsia
#575757
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.