RAL 8015 Chestnut Brown

#633A34

RAL color

Chestnut Brown (#633A34) is a warm, medium-dark reddish-brown from the RAL Classic system, directly referencing the rich polished shell of the sweet chestnut nut with its distinctive warm red depth. It is used in furniture stains, door frames, and interior wood finishes that seek a traditional, nature-derived warmth. The red-brown balance evokes autumn foliage, aged mahogany, and the warmth of traditional craftsman interiors.

カラー値

HEX

#633A34

RGB

99, 58, 52

HSL

7.7, 31.1%, 29.6%

HSV

7.7, 47.5%, 38.8%

CMYK

0.0%, 41.4%, 47.5%, 61.2%

OKLCH

0.3965 0.0596 29.0

プロパティ

色彩心理学

Dark reds like maroon and burgundy convey sophistication, maturity, and deep emotion. These tones are linked to fine wine, aged leather, and established authority. They carry the intensity of red but channel it into a more restrained, refined expression of power.

Design Usage

Dark reds suit luxury brands, law firms, and premium product packaging. In web design, they create rich hero sections and elegant navigation bars without the visual aggressiveness of brighter reds. They work well with gold accents, cream text, and dark backgrounds for a classic aesthetic.

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: #633A34;
color: #633A34;
border-color: #633A34;
最も近いTailwind: Yellow 950 #422006

Tailwindシェード

コントラストチェッカー

白背景のテキスト

9.61:1

AA Pass AAA Pass

黒背景のテキスト

2.19:1

AA Fail AAA Fail

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