#2F040B
Approximate name: Black
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
Black
Relative luminance
0.007
Hue H
350°
Saturation S
84%
Lightness L
10%
Value V
18%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Red
Contrast on white: 18.37:1 (AA body Pass / AAA Pass)
Contrast on black: 1.14:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2f040b
Protanopia
#1c1c09
Deuteranopia
#1f2209
Tritanopia
#2d0808
Achromatopsia
#121212
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.