#4378B5

#4378B5

Color Values

HEX

#4378B5

RGB

67, 120, 181

HSL

212.1, 46.0%, 48.6%

HSV

212.1, 63.0%, 71.0%

CMYK

63.0%, 33.7%, 0.0%, 29.0%

OKLCH

0.5641 0.1108 253.2

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#4378B5

#B58043

Analogous

#43B1B5

#4743B5

#4378B5

Triadic

#4378B5

#B54378

#78B543

Split Complementary

#4378B5

#B54743

#B1B543

Tetradic

#4378B5

#B543B1

#B58043

#43B547

Color Blindness Simulation

Original

#4378B5

Protanopia

#5A5AA6

Deuteranopia

#5753A3

Tritanopia

#469B98

Achromatopsia

#717171

CSS Usage

background-color: #4378B5;
color: #4378B5;
border-color: #4378B5;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDAEC
300
#A6C0DE
400
#759ECC
500
#457BBA
600
#376395
700
#2C4F77
800
#223E5D
900
#1C2F45
950
#121E2B

Contrast Checker

Text on white

4.57:1

AA Pass AAA Fail

Text on black

4.59:1

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