#3D0076
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
0.023
Hue H
271°
Saturation S
100%
Lightness L
23%
Value V
46%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Purple
Contrast on white: 14.38:1 (AA body Pass / AAA Pass)
Contrast on black: 1.46:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#3d0076
Protanopia
#232259
Deuteranopia
#262b53
Tritanopia
#3a433e
Achromatopsia
#202020
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.