RAL 9011 Graphite Black

#1C1C1C

RAL color

Graphite Black (#1C1C1C) is a very dark near-black from the RAL Classic system with the faintest cool, grey undertone referencing the mineral graphite — the same material as pencil leads. Used in automotive finishes, architectural window frames, and premium appliances as a slightly softer alternative to Jet Black, it provides intense darkness with a subtle cool mineral quality. Graphite black is widely popular in contemporary design for its depth and versatility.

カラー値

HEX

#1C1C1C

RGB

28, 28, 28

HSL

0.0, 0.0%, 11.0%

HSV

0.0, 0.0%, 11.0%

CMYK

0.0%, 0.0%, 0.0%, 89.0%

OKLCH

0.2264 0.0 89.9

プロパティ

色彩心理学

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.

カラーハーモニー

色覚異常シミュレーション

CSS使用法

background-color: #1C1C1C;
color: #1C1C1C;
border-color: #1C1C1C;
最も近いTailwind: Stone 900 #1C1917

Tailwindシェード

コントラストチェッカー

白背景のテキスト

17.04:1

AA Pass AAA Pass

黒背景のテキスト

1.23:1

AA Fail AAA Fail

比較する

この色を使用しているブランド

よくある質問

What are the RGB, HSL, and CMYK values of #1C1C1C?

RGB(28, 28, 28) · HSL(0.0, 0.0%, 11.0%) · CMYK(0.0%, 0.0%, 0.0%, 89.0%)

Does #1C1C1C meet WCAG contrast on white?

17.04:1 — WCAG AA 合格, AAA 合格 for normal text.

What text color is readable on #1C1C1C?

Use FFFFFF text on a #1C1C1C background; contrast on black is 1.23:1.