RAL 7021

Black grey

#2F353B

Color Formats

HEX

HEX

#2F353B
RGB

RGB

rgb(47, 53, 59)
HSL

HSL

hsl(210, 11%, 21%)
CMYK

CMYK

cmyk(20%, 10%, 0%, 77%)
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Convert RAL to formats HEX, RGB, CMYK, HSL

Color Harmonies

Monochromatic

Analogous

Complementary

Contrast Checker

Large text on color
Small text on color
Large text on color
Small text on color
White text: 12.4:1
Black text: 1.7:1

Vision Simulator

Normal Vision

Protanopia (Red-Green)

Deuteranopia (Red-Green)

Tritanopia (Blue-Yellow)

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Converter

Color Converter

RAL, Pantone, NCS

Technical Specifications

📊

Light Reflection

31.90%
0% 50% 100%
LRV - Light Reflectance Value
🌡️

Temperature

Cool Neutral Warm
Neutral
🎨

Color Systems

PMS Cool Gray 11 C
S 5500-N
🔬

LAB Color Space

L 35.50
a -4.70
b 1.80

Color Image PANTONE® 7021

RAL 7021 - Чёрно-серый
0px
0px

RAL Color History

Evolution of the standard from 1927 to present

Chronology of development

1927

Creation of the RAL system

The German Institute for Quality Assurance and Certification (RAL) creates the first color standardization system for industry

1961

RAL CLASSIC

Introduction of the RAL CLASSIC system with 4-digit codes. Color RAL receives official standard and name "Black grey"

1993

RAL DESIGN

Launch of the RAL DESIGN system with 7-digit codes and more accurate color gamut. Color optimized for digital use

2007

RAL DIGITAL

Digitization of the color system. Color is added to digital palettes and computer-aided design (CAD) systems

2020

Modern standard

Current color specification in international systems. Used in architecture, design and industry worldwide

Application areas

82%
architecture
61%
industry
66%
design
36%
safety

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