#321B2D
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
0.017
Hue H
313°
Saturation S
30%
Lightness L
15%
Value V
20%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Pink
Contrast on white: 15.79:1 (AA body Pass / AAA Pass)
Contrast on black: 1.33:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#321b2d
Protanopia
#282829
Deuteranopia
#292b28
Tritanopia
#312524
Achromatopsia
#242424
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.