#4183CF

#4183CF

Color Values

HEX

#4183CF

RGB

65, 131, 207

HSL

212.1, 59.7%, 53.3%

HSV

212.1, 68.6%, 81.2%

CMYK

68.6%, 36.7%, 0.0%, 18.8%

OKLCH

0.6029 0.1345 253.7

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#4183CF

#CF8D41

Analogous

#41CACF

#4641CF

#4183CF

Triadic

#4183CF

#CF4183

#83CF41

Split Complementary

#4183CF

#CF4641

#CACF41

Tetradic

#4183CF

#CF41CA

#CF8D41

#41CF46

Color Blindness Simulation

Original

#4183CF

Protanopia

#5E5EBD

Deuteranopia

#5A55B8

Tritanopia

#44AEAB

Achromatopsia

#7A7A7A

CSS Usage

background-color: #4183CF;
color: #4183CF;
border-color: #4183CF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C6DAF1
300
#9DBFE6
400
#689DD9
500
#337ACC
600
#2962A3
700
#214E82
800
#1A3D66
900
#162F4A
950
#0E1D2F

Contrast Checker

Text on white

3.91:1

AA Fail AAA Fail

Text on black

5.37:1

AA Pass AAA Fail

Related Articles

Tutorials

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

1月 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1月 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1月 15, 2026