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.

Valores de cor

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

Propriedades

Psicologia das cores

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.

Harmonias de cores

Simulação de daltonismo

Uso de CSS

background-color: #403A3A;
color: #403A3A;
border-color: #403A3A;
Tailwind mais próximo: Neutral 700 #404040

Tons Tailwind

Verificador de contraste

Texto sobre branco

11,14:1

AA Pass AAA Pass

Texto sobre preto

1,88:1

AA Fail AAA Fail

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