#E41B65
Approximate name: Crimson
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
Crimson
Relative luminance
0.182
Hue H
338°
Saturation S
79%
Lightness L
50%
Value V
89%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Pink
Contrast on white: 4.52:1 (AA body Pass / AAA Fail)
Contrast on black: 4.64:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#e41b65
Protanopia
#8d8b53
Deuteranopia
#99a84f
Tritanopia
#da4542
Achromatopsia
#606060
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.