#FF0044
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
0.217
Hue H
344°
Saturation S
100%
Lightness L
50%
Value V
100%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Pink
Contrast on white: 3.94:1 (AA body Fail / AAA Fail)
Contrast on black: 5.34:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#ff0044
Protanopia
#918e34
Deuteranopia
#9fb330
Tritanopia
#f22724
Achromatopsia
#545454
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.