#CE2843
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
0.15
Hue H
350°
Saturation S
67%
Lightness L
48%
Value V
81%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Red
Contrast on white: 5.24:1 (AA body Pass / AAA Fail)
Contrast on black: 4.01:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#ce2843
Protanopia
#86853c
Deuteranopia
#909c3b
Tritanopia
#c63736
Achromatopsia
#5d5d5d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.