RAL 7038 Agate Grey

#B5B8B1

RAL color

Agate Grey (#B5B8B1) is a light, slightly cool grey from the RAL Classic system, named after the translucent banded mineral with a similarly delicate, refined appearance. It is a staple in architectural and interior design for wall finishes, curtain walling, and facade panels where an understated, elegant grey is required. The subtle green-white balance gives it a crisp, contemporary quality used widely in modern Scandinavian and minimalist design.

Color Values

HEX

#B5B8B1

RGB

181, 184, 177

HSL

85.7, 4.7%, 70.8%

HSV

85.7, 3.8%, 72.2%

CMYK

1.6%, 0.0%, 3.8%, 27.8%

OKLCH

0.7782 0.0103 125.7

Properties

Color Psychology

Light grays are the quietest, most neutral colors in design, representing clarity, simplicity, and modern minimalism. They create a sense of calm order without drawing emotional attention. Silver tones additionally carry associations with technology, precision, and futuristic innovation.

Design Usage

Light gray is the foundational background color for modern web and mobile interfaces. It defines content boundaries, card surfaces, and secondary backgrounds in virtually every design system. Use it as the canvas that allows accent colors and content to take center stage.

Color Harmonies

Color Blindness Simulation

CSS Usage

background-color: #B5B8B1;
color: #B5B8B1;
border-color: #B5B8B1;
Nearest Tailwind: Stone 400 #A8A29E

Tailwind Shades

Contrast Checker

Text on white

2.01:1

AA Fail AAA Fail

Text on black

10.46:1

AA Pass AAA Pass

Compare With

Frequently Asked Questions

What are the RGB, HSL, and CMYK values of #B5B8B1?

RGB(181, 184, 177) · HSL(85.7, 4.7%, 70.8%) · CMYK(1.6%, 0.0%, 3.8%, 27.8%)

Does #B5B8B1 meet WCAG contrast on white?

2.01:1 — WCAG AA Fail, AAA Fail for normal text.

What text color is readable on #B5B8B1?

Use 000000 text on a #B5B8B1 background; contrast on black is 10.46:1.