#636490

#636490

Color Values

HEX

#636490

RGB

99, 100, 144

HSL

238.7, 18.5%, 47.6%

HSV

238.7, 31.2%, 56.5%

CMYK

31.3%, 30.6%, 0.0%, 43.5%

OKLCH

0.5204 0.0691 282.7

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#636490

#908F63

Analogous

#637A90

#786390

#636490

Triadic

#636490

#906364

#649063

Split Complementary

#636490

#907863

#7A9063

Tetradic

#636490

#90637A

#908F63

#639078

Color Blindness Simulation

Original

#636490

Protanopia

#636385

Deuteranopia

#636383

Tritanopia

#637D7B

Achromatopsia

#676767

CSS Usage

background-color: #636490;
color: #636490;
border-color: #636490;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D5D5E2
300
#B6B7CD
400
#8F90B2
500
#686997
600
#535479
700
#434361
800
#34344C
900
#282939
950
#1A1A24

Contrast Checker

Text on white

5.59:1

AA Pass AAA Fail

Text on black

3.76:1

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