Iron grey RAL 7011
Color values
HEX #434B4D
RGB 67, 75, 77
HSL 192°, 7%, 28%
Series Greys
All formats
HEX #434B4D
RGB rgb(67, 75, 77)
HSL hsl(192, 7%, 28%)
CSS var --color: #434B4D;
RAL RAL 7011
Color analysis
Temperature Neutral
Luminance 7%
Saturation 7%
Brightness 30%
WCAG accessibility
On white background
Aa — The quick brown fox jumps over the lazy dog
8.93:1
AA Pass
AA large Pass
AAA Pass
AAA large Pass
On black background
Aa — The quick brown fox jumps over the lazy dog
2.35:1
AA Fail
AA large Fail
AAA Fail
AAA large Fail
Tint & shade scale
Use this color in other tools
Where it's used
A rich iron grey used in machinery housings, industrial infrastructure, and architectural ironwork. Pairs with RAL 9010 and RAL 9005.
About this color
RAL 7011 Iron grey is a RAL Classic color with HEX value #434B4D, RGB(67, 75, 77), HSL(192°, 7%, 28%). It belongs to the Greys family (RAL 7xxx series). WCAG relative luminance: 7%. Contrast on white: 8.93:1. Contrast on black: 2.35:1.
FAQ
RAL 7011 Iron grey is a standardized color from the RAL Classic palette, used in industry, architecture, and design for consistent color communication. Its HEX value is #434B4D, equivalent to RGB(67, 75, 77).
The HEX code of RAL 7011 Iron grey is #434B4D. In CSS you can use it directly: color: #434B4D; or background-color: #434B4D;. Its RGB equivalent is rgb(67, 75, 77) and HSL is hsl(192, 7%, 28%).
RAL codes (e.g. RAL 7011) are physical paint standards created for industrial use — they define exact pigment formulations. HEX codes (e.g. #434B4D) are digital representations for screens. The conversion is approximate: the same HEX can look different on screens vs. painted surfaces due to lighting, texture, and pigment variance.
WCAG contrast ratio compares the relative luminance of two colors: (L1+0.05)/(L2+0.05), where L is calculated from linearized RGB values. RAL 7011 Iron grey has a relative luminance of 7%, giving a contrast of 8.93:1 on white and 2.35:1 on black. AA requires ≥4.5:1 for normal text.
The HEX value #434B4D is the closest digital approximation of RAL 7011 Iron grey, but not an exact physical match. RAL colors are defined by spectrophotometric measurements of physical paint samples. On-screen rendering depends on your monitor calibration, color profile, and ambient lighting.
RAL 7011 Iron grey (HEX #434B4D) is used in industrial coatings, architectural finishes, signage, and product design wherever greys tones are needed. RAL Classic codes are the standard reference in European manufacturing, construction, and powder coating industries.
RAL Classic contains 215 standardized colors organized into 9 series by hue family: yellows/beiges (1xxx), oranges (2xxx), reds (3xxx), violets (4xxx), blues (5xxx), greens (6xxx), greys (7xxx), browns (8xxx), and whites/blacks (9xxx). RAL 7011 belongs to the Greys family.