#63381B

#63381B

Color Values

HEX

#63381B

RGB

99, 56, 27

HSL

24.2, 57.1%, 24.7%

HSV

24.2, 72.7%, 38.8%

CMYK

0.0%, 43.4%, 72.7%, 61.2%

OKLCH

0.3877 0.0743 52.7

Properties

Warm Dark Nearest: RAL 8003 Clay Brown

Color Harmonies

Complementary

#63381B

#1B4663

Analogous

#631B22

#635C1B

#63381B

Triadic

#63381B

#1B6338

#381B63

Split Complementary

#63381B

#1B635C

#1B2263

Tetradic

#63381B

#22631B

#1B4663

#5C1B63

Color Blindness Simulation

Original

#63381B

Protanopia

#505022

Deuteranopia

#535624

Tritanopia

#612829

Achromatopsia

#3F3F3F

CSS Usage

background-color: #63381B;
color: #63381B;
border-color: #63381B;
Nearest Tailwind: Yellow 900 #713F12

Tailwind Shades

50
#FBF7F4
100
#F6EBE4
200
#F0D7C7
300
#E5BB9F
400
#D7966B
500
#C87137
600
#A05B2C
700
#804923
800
#64391B
900
#492C18
950
#2E1C0F

Contrast Checker

Text on white

9.94:1

AA Pass AAA Pass

Text on black

2.11:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026