#134B5F
Approximate name: Dark Slate Gray
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
DarkSlateGray
Relative luminance
0.06
Hue H
196°
Saturation S
67%
Lightness L
22%
Value V
37%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Cyan
Contrast on white: 9.55:1 (AA body Pass / AAA Pass)
Contrast on black: 2.20:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#134b5f
Protanopia
#2b2c5a
Deuteranopia
#282459
Tritanopia
#165656
Achromatopsia
#3d3d3d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.