#274E34
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
0.061
Hue H
140°
Saturation S
33%
Lightness L
23%
Value V
31%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Green
Contrast on white: 9.44:1 (AA body Pass / AAA Pass)
Contrast on black: 2.23:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#274e34
Protanopia
#38383a
Deuteranopia
#36333c
Tritanopia
#293f40
Achromatopsia
#3f3f3f
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.