#643F21

#643F21

颜色值

HEX

#643F21

RGB

100, 63, 33

HSL

26.9, 50.4%, 26.1%

HSV

26.9, 67.0%, 39.2%

CMYK

0.0%, 37.0%, 67.0%, 60.8%

OKLCH

0.4042 0.0678 58.2

属性

暖色 深色 最接近： RAL 8007 Fawn Brown

色彩心理学

Dark browns like chocolate and espresso project richness, indulgence, and masculine elegance. They carry the warmth of wood-paneled studies and aged leather, evoking comfort and established tradition. These deep tones suggest solidity, dependability, and mature sophistication.

Design Usage

Dark brown excels as a text color alternative to pure black, providing warmth and reducing visual harshness. It suits coffee roasters, chocolate brands, and heritage accessories with a tradition focus. Pair it with cream, gold, or burnt orange for a luxurious, warm-toned design system.

配色方案

互补色

#643F21

#214664

类似色

#642124

#646121

#643F21

三角配色

#643F21

#21643F

#3F2164

分裂互补色

#643F21

#216461

#212464

四角配色

#643F21

#246421

#214664

#612164

色觉模拟

原始

#643F21

红色盲

#545428

绿色盲

#56592A

蓝色盲

#622E2F

全色盲

#454545

CSS 用法

background-color: #643F21;
color: #643F21;
border-color: #643F21;
最接近的 Tailwind： Yellow 900 #713F12

Tailwind 色阶

50
#FBF7F4
100
#F5ECE6
200
#EDD9C9
300
#E1BFA3
400
#D09C71
500
#C0793F
600
#996133
700
#7B4D28
800
#603C20
900
#462E1A
950
#2C1D11

对比度检查器

白底文字

9.23:1

AA Pass AAA Pass

黑底文字

2.27:1

AA Fail AAA Fail

与之比较

#643F21
#214664
#643F21
#FFFFFF
#000000
#643F21

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常见问题

What are the RGB, HSL, and CMYK values of #643F21?

RGB(100, 63, 33) · HSL(26.9, 50.4%, 26.1%) · CMYK(0.0%, 37.0%, 67.0%, 60.8%)

Does #643F21 meet WCAG contrast on white?

9.23:1 — WCAG AA 通过, AAA 通过 for normal text.

What text color is readable on #643F21?

Use FFFFFF text on a #643F21 background; contrast on black is 2.27:1.