#3D0891
Approximate name: Indigo
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
Indigo
Relative luminance
0.032
Hue H
263°
Saturation S
90%
Lightness L
30%
Value V
57%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Purple
Contrast on white: 12.79:1 (AA body Pass / AAA Pass)
Contrast on black: 1.64:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#3d0891
Protanopia
#262670
Deuteranopia
#292d68
Tritanopia
#3a5650
Achromatopsia
#272727
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.