#27424E
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
0.049
Hue H
198°
Saturation S
33%
Lightness L
23%
Value V
31%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 10.63:1 (AA body Pass / AAA Pass)
Contrast on black: 1.98:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#27424e
Protanopia
#33334b
Deuteranopia
#312f4a
Tritanopia
#284948
Achromatopsia
#3b3b3b
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.