#263129
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
0.028
Hue H
136°
Saturation S
13%
Lightness L
17%
Value V
19%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Green
Contrast on white: 13.52:1 (AA body Pass / AAA Pass)
Contrast on black: 1.55:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#263129
Protanopia
#2b2b2b
Deuteranopia
#2a292b
Tritanopia
#272c2d
Achromatopsia
#2d2d2d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.