#EE2B38
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
0.202
Hue H
356°
Saturation S
85%
Lightness L
55%
Value V
93%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Red
Contrast on white: 4.17:1 (AA body Fail / AAA Fail)
Contrast on black: 5.04:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#ee2b38
Protanopia
#9a9835
Deuteranopia
#a5b434
Tritanopia
#e43232
Achromatopsia
#676767
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.