#63403F

#63403F

Color Values

HEX

#63403F

RGB

99, 64, 63

HSL

1.7, 22.2%, 31.8%

HSV

1.7, 36.4%, 38.8%

CMYK

0.0%, 35.4%, 36.4%, 61.2%

OKLCH

0.4115 0.0493 21.2

Properties

Warm Dark Nearest: RAL 8015 Chestnut Brown

Color Harmonies

Complementary

#63403F

#3F6263

Analogous

#633F50

#63523F

#63403F

Triadic

#63403F

#3F6340

#403F63

Split Complementary

#63403F

#3F6352

#3F5063

Tetradic

#63403F

#50633F

#3F6263

#523F63

Color Blindness Simulation

Original

#63403F

Protanopia

#54543F

Deuteranopia

#56583F

Tritanopia

#613F3F

Achromatopsia

#474747

CSS Usage

background-color: #63403F;
color: #63403F;
border-color: #63403F;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F9F6F6
100
#F1EAEA
200
#E3D4D3
300
#CFB5B4
400
#B68D8C
500
#9C6563
600
#7D514F
700
#64413F
800
#4E3232
900
#3A2727
950
#251918

Contrast Checker

Text on white

8.99:1

AA Pass AAA Pass

Text on black

2.34:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026