#AB2328
Approximate name: Fire Brick
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
FireBrick
Relative luminance
0.1
Hue H
358°
Saturation S
66%
Lightness L
40%
Value V
67%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Red
Contrast on white: 6.99:1 (AA body Pass / AAA Fail)
Contrast on black: 3.00:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#ab2328
Protanopia
#706f27
Deuteranopia
#788227
Tritanopia
#a42626
Achromatopsia
#4c4c4c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.