#FF8400
Approximate name: Dark Orange
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
DarkOrange
Relative luminance
0.378
Hue H
31°
Saturation S
100%
Lightness L
50%
Value V
100%
Temperature
Warm
Brightness
Medium
Chroma
Vivid
Hue family
Orange
Contrast on white: 2.46:1 (AA body Fail / AAA Fail)
Contrast on black: 8.55:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#ff8400
Protanopia
#cac920
Deuteranopia
#d1da28
Tritanopia
#f9393f
Achromatopsia
#9a9a9a
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.