#4283BF

#4283BF

Color Values

HEX

#4283BF

RGB

66, 131, 191

HSL

208.8, 49.4%, 50.4%

HSV

208.8, 65.4%, 74.9%

CMYK

65.4%, 31.4%, 0.0%, 25.1%

OKLCH

0.5944 0.1138 248.6

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#4283BF

#BF7E42

Analogous

#42BFBD

#4245BF

#4283BF

Triadic

#4283BF

#BF4283

#83BF42

Split Complementary

#4283BF

#BF4245

#BFBD42

Tetradic

#4283BF

#BD42BF

#BF7E42

#45BF42

Color Blindness Simulation

Original

#4283BF

Protanopia

#5E5FB0

Deuteranopia

#5A56AD

Tritanopia

#45A5A2

Achromatopsia

#7A7A7A

CSS Usage

background-color: #4283BF;
color: #4283BF;
border-color: #4283BF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADCED
300
#A4C3E0
400
#72A3CF
500
#4182BE
600
#346898
700
#29537A
800
#20415F
900
#1B3146
950
#111F2C

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

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