#33338A
Approximate name: Dark Slate Blue
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
DarkSlateBlue
Relative luminance
0.049
Hue H
240°
Saturation S
46%
Lightness L
37%
Value V
54%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 10.60:1 (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
#33338a
Protanopia
#333375
Deuteranopia
#333370
Tritanopia
#336461
Achromatopsia
#3d3d3d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.