#307CC3

#307CC3

Color Values

HEX

#307CC3

RGB

48, 124, 195

HSL

209.0, 60.5%, 47.6%

HSV

209.0, 75.4%, 76.5%

CMYK

75.4%, 36.4%, 0.0%, 23.5%

OKLCH

0.5741 0.1323 250.1

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#307CC3

#C37730

Analogous

#30C3C0

#3032C3

#307CC3

Triadic

#307CC3

#C3307C

#7CC330

Split Complementary

#307CC3

#C33032

#C3C030

Tetradic

#307CC3

#C030C3

#C37730

#32C330

Color Blindness Simulation

Original

#307CC3

Protanopia

#5152B2

Deuteranopia

#4C47AE

Tritanopia

#34A4A1

Achromatopsia

#717171

CSS Usage

background-color: #307CC3;
color: #307CC3;
border-color: #307CC3;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C6DCF1
300
#9DC3E7
400
#68A3DA
500
#3282CD
600
#2868A4
700
#205383
800
#194166
900
#16314B
950
#0E1F2F

Contrast Checker

Text on white

4.38:1

AA Fail AAA Fail

Text on black

4.8:1

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