Blue green RAL 6004
Color values
HEX #1F3A3D
RGB 31, 58, 61
HSL 186°, 33%, 18%
Series Greens
All formats
HEX #1F3A3D
RGB rgb(31, 58, 61)
HSL hsl(186, 33%, 18%)
CSS var --color: #1F3A3D;
RAL RAL 6004
Color analysis
Temperature Cool
Luminance 4%
Saturation 33%
Brightness 24%
WCAG accessibility
On white background
Aa — The quick brown fox jumps over the lazy dog
12.13:1
AA Pass
AA large Pass
AAA Pass
AAA large Pass
On black background
Aa — The quick brown fox jumps over the lazy dog
1.73:1
AA Fail
AA large Fail
AAA Fail
AAA large Fail
Tint & shade scale
Use this color in other tools
Where it's used
A deep blue-green used in industrial applications, marine equipment, and architectural facades. Pairs with RAL 9010 and RAL 9016.
About this color
RAL 6004 Blue green is a RAL Classic color with HEX value #1F3A3D, RGB(31, 58, 61), HSL(186°, 33%, 18%). It belongs to the Greens family (RAL 6xxx series). WCAG relative luminance: 4%. Contrast on white: 12.13:1. Contrast on black: 1.73:1.
FAQ
RAL 6004 Blue green is a standardized color from the RAL Classic palette, used in industry, architecture, and design for consistent color communication. Its HEX value is #1F3A3D, equivalent to RGB(31, 58, 61).
The HEX code of RAL 6004 Blue green is #1F3A3D. In CSS you can use it directly: color: #1F3A3D; or background-color: #1F3A3D;. Its RGB equivalent is rgb(31, 58, 61) and HSL is hsl(186, 33%, 18%).
RAL codes (e.g. RAL 6004) are physical paint standards created for industrial use — they define exact pigment formulations. HEX codes (e.g. #1F3A3D) 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 6004 Blue green has a relative luminance of 4%, giving a contrast of 12.13:1 on white and 1.73:1 on black. AA requires ≥4.5:1 for normal text.
The HEX value #1F3A3D is the closest digital approximation of RAL 6004 Blue green, 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 6004 Blue green (HEX #1F3A3D) is used in industrial coatings, architectural finishes, signage, and product design wherever greens 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 6004 belongs to the Greens family.