#4281CB

#4281CB

Color Values

HEX

#4281CB

RGB

66, 129, 203

HSL

212.4, 56.8%, 52.7%

HSV

212.4, 67.5%, 79.6%

CMYK

67.5%, 36.5%, 0.0%, 20.4%

OKLCH

0.5965 0.131 254.0

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#4281CB

#CB8C42

Analogous

#42C5CB

#4742CB

#4281CB

Triadic

#4281CB

#CB4281

#81CB42

Split Complementary

#4281CB

#CB4742

#C5CB42

Tetradic

#4281CB

#CB42C5

#CB8C42

#42CB47

Color Blindness Simulation

Original

#4281CB

Protanopia

#5D5EB9

Deuteranopia

#5A55B5

Tritanopia

#45ABA8

Achromatopsia

#797979

CSS Usage

background-color: #4281CB;
color: #4281CB;
border-color: #4281CB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5ECF6
200
#C7DAF0
300
#9FBFE5
400
#6B9CD6
500
#377AC8
600
#2C61A0
700
#234E80
800
#1C3D64
900
#182E49
950
#0F1D2E

Contrast Checker

Text on white

4.01:1

AA Fail AAA Fail

Text on black

5.23:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026