#636AB6

#636AB6

Color Values

HEX

#636AB6

RGB

99, 106, 182

HSL

234.9, 36.2%, 55.1%

HSV

234.9, 45.6%, 71.4%

CMYK

45.6%, 41.8%, 0.0%, 28.6%

OKLCH

0.5534 0.1175 277.8

Properties

Cool Dark Nearest: Indigo

Color Harmonies

Complementary

#636AB6

#B6AF63

Analogous

#6394B6

#8563B6

#636AB6

Triadic

#636AB6

#B6636A

#6AB663

Split Complementary

#636AB6

#B68563

#94B663

Tetradic

#636AB6

#B66394

#B6AF63

#63B685

Color Blindness Simulation

Original

#636AB6

Protanopia

#6666A4

Deuteranopia

#66659F

Tritanopia

#639592

Achromatopsia

#6E6E6E

CSS Usage

background-color: #636AB6;
color: #636AB6;
border-color: #636AB6;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F5F5FA
100
#E8E9F3
200
#CED1E8
300
#ACAFD8
400
#7E84C3
500
#5159AE
600
#41478B
700
#34396F
800
#292D57
900
#212340
950
#151629

Contrast Checker

Text on white

4.92:1

AA Pass AAA Fail

Text on black

4.27:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026