#307EC3

#307EC3

Color Values

HEX

#307EC3

RGB

48, 126, 195

HSL

208.2, 60.5%, 47.6%

HSV

208.2, 75.4%, 76.5%

CMYK

75.4%, 35.4%, 0.0%, 23.5%

OKLCH

0.5787 0.1304 248.9

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#307EC3

#C37530

Analogous

#30C3BE

#3034C3

#307EC3

Triadic

#307EC3

#C3307E

#7EC330

Split Complementary

#307EC3

#C33034

#C3BE30

Tetradic

#307EC3

#BE30C3

#C37530

#34C330

Color Blindness Simulation

Original

#307EC3

Protanopia

#5252B2

Deuteranopia

#4D47AE

Tritanopia

#34A5A2

Achromatopsia

#727272

CSS Usage

background-color: #307EC3;
color: #307EC3;
border-color: #307EC3;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F8FB
100
#E4EEF6
200
#C6DDF1
300
#9DC4E7
400
#68A4DA
500
#3284CD
600
#286AA4
700
#205583
800
#194266
900
#16324B
950
#0E202F

Contrast Checker

Text on white

4.29:1

AA Fail AAA Fail

Text on black

4.9:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026