#305F9B

#305F9B

Color Values

HEX

#305F9B

RGB

48, 95, 155

HSL

213.6, 52.7%, 39.8%

HSV

213.6, 69.0%, 60.8%

CMYK

69.0%, 38.7%, 0.0%, 39.2%

OKLCH

0.4827 0.1099 255.6

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#305F9B

#9B6C30

Analogous

#30959B

#36309B

#305F9B

Triadic

#305F9B

#9B305F

#5F9B30

Split Complementary

#305F9B

#9B3630

#959B30

Tetradic

#305F9B

#9B3095

#9B6C30

#309B36

Color Blindness Simulation

Original

#305F9B

Protanopia

#44458C

Deuteranopia

#423E89

Tritanopia

#32817E

Achromatopsia

#595959

CSS Usage

background-color: #305F9B;
color: #305F9B;
border-color: #305F9B;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C8D9EE
300
#A2BEE2
400
#6F9BD2
500
#3C77C3
600
#30609C
700
#274C7D
800
#1E3C61
900
#192E47
950
#101D2D

Contrast Checker

Text on white

6.49:1

AA Pass AAA Fail

Text on black

3.24:1

AA Fail 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