#513F3E
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
0.057
Hue H
3°
Saturation S
13%
Lightness L
28%
Value V
32%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Red
Contrast on white: 9.86:1 (AA body Pass / AAA Pass)
Contrast on black: 2.13:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#513f3e
Protanopia
#49493e
Deuteranopia
#4a4c3e
Tritanopia
#503e3e
Achromatopsia
#444444
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.