#636FF2

#636FF2

Color Values

HEX

#636FF2

RGB

99, 111, 242

HSL

235.0, 84.6%, 66.9%

HSV

235.0, 59.1%, 94.9%

CMYK

59.1%, 54.1%, 0.0%, 5.1%

OKLCH

0.6021 0.1942 275.0

Properties

Cool Light Nearest: royalblue 2

Color Harmonies

Complementary

#636FF2

#F2E663

Analogous

#63B6F2

#9F63F2

#636FF2

Triadic

#636FF2

#F2636F

#6FF263

Split Complementary

#636FF2

#F29F63

#B6F263

Tetradic

#636FF2

#F263B6

#F2E663

#63F29F

Color Blindness Simulation

Original

#636FF2

Protanopia

#6868D2

Deuteranopia

#6867CB

Tritanopia

#64B9B4

Achromatopsia

#767676

CSS Usage

background-color: #636FF2;
color: #636FF2;
border-color: #636FF2;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F2F3FD
100
#E0E2FA
200
#BDC2FA
300
#8E97F6
400
#515EF0
500
#1426EB
600
#101EBC
700
#0D1897
800
#0A1376
900
#0C1255
950
#070B36

Contrast Checker

Text on white

4.13:1

AA Fail AAA Fail

Text on black

5.09:1

AA Pass 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