RAL 8019 Grey Brown

#403A3A

RAL color

Grey Brown (#403A3A) is a very dark, near-neutral warm brown from the RAL Classic system, occupying the ambiguous space between deep charcoal-grey and dark brown. Used in architectural coatings, heavy machinery, and urban street furniture where a sombre, robust dark tone is required without the starkness of pure black, it provides a quietly intense, mature appearance. The grey-brown ambiguity gives it a contemporary, versatile character in design.

색상 값

HEX

#403A3A

RGB

64, 58, 58

HSL

0.0, 4.9%, 23.9%

HSV

0.0, 9.4%, 25.1%

CMYK

0.0%, 9.4%, 9.4%, 74.9%

OKLCH

0.3546 0.0084 17.6

속성

색채 심리학

Dark grays and charcoals project authority, formality, and sophisticated restraint. They are the color of graphite, storm clouds, and evening suits, carrying weight without the absolute finality of black. These tones suggest seriousness and expertise tempered by subtle warmth.

Design Usage

Dark gray is the preferred text color over pure black for reducing eye strain on light backgrounds. It serves as the standard dark-mode surface color in Material Design and other major design systems. Pair it with a single vivid accent color for a minimal, high-impact visual hierarchy.

색상 조화

색각 이상 시뮬레이션

CSS 사용법

background-color: #403A3A;
color: #403A3A;
border-color: #403A3A;
가장 가까운 Tailwind: Neutral 700 #404040

Tailwind 쉐이드

대비 검사기

흰색 배경 텍스트

11.14:1

AA Pass AAA Pass

검정 배경 텍스트

1.88:1

AA Fail AAA Fail

비교하기

자주 묻는 질문

What are the RGB, HSL, and CMYK values of #403A3A?

RGB(64, 58, 58) · HSL(0.0, 4.9%, 23.9%) · CMYK(0.0%, 9.4%, 9.4%, 74.9%)

Does #403A3A meet WCAG contrast on white?

11.14:1 — WCAG AA 통과, AAA 통과 for normal text.

What text color is readable on #403A3A?

Use FFFFFF text on a #403A3A background; contrast on black is 1.88:1.