#4273BA

#4273BA

Color Values

HEX

#4273BA

RGB

66, 115, 186

HSL

215,5, 47,6%, 49,4%

HSV

215,5, 64,5%, 72,9%

CMYK

64,5%, 38,2%, 0,0%, 27,1%

OKLCH

0,5552 0,1232 257,7

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#4273BA

#BA8942

Analogous

#42AFBA

#4D42BA

#4273BA

Triadic

#4273BA

#BA4273

#73BA42

Split Complementary

#4273BA

#BA4D42

#AFBA42

Tetradic

#4273BA

#BA42AF

#BA8942

#42BA4D

Color Blindness Simulation

Original

#4273BA

Protanopia

#5758A9

Deuteranopia

#5451A5

Tritanopia

#449B98

Achromatopsia

#6E6E6E

CSS Usage

background-color: #4273BA;
color: #4273BA;
border-color: #4273BA;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CAD8EC
300
#A5BCDF
400
#7498CE
500
#4374BC
600
#355D97
700
#2B4A78
800
#213A5E
900
#1C2D45
950
#111C2C

Contrast Checker

Text on white

4,78:1

AA Pass AAA Fail

Text on black

4,39:1

AA Fail 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