#308CDB

#308CDB

Color Values

HEX

#308CDB

RGB

48, 140, 219

HSL

207.7, 70.4%, 52.4%

HSV

207.7, 78.1%, 85.9%

CMYK

78.1%, 36.1%, 0.0%, 14.1%

OKLCH

0.6246 0.1464 248.7

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#308CDB

#DB7F30

Analogous

#30DBD5

#3037DB

#308CDB

Triadic

#308CDB

#DB308C

#8CDB30

Split Complementary

#308CDB

#DB3037

#DBD530

Tetradic

#308CDB

#D530DB

#DB7F30

#37DB30

Color Blindness Simulation

Original

#308CDB

Protanopia

#5859C8

Deuteranopia

#524CC3

Tritanopia

#35B9B5

Achromatopsia

#7E7E7E

CSS Usage

background-color: #308CDB;
color: #308CDB;
border-color: #308CDB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F8FC
100
#E2EEF8
200
#C2DDF4
300
#97C5ED
400
#5EA6E3
500
#2686D9
600
#1E6CAE
700
#18568B
800
#13436D
900
#12334F
950
#0B2032

Contrast Checker

Text on white

3.56:1

AA Fail AAA Fail

Text on black

5.9:1

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