#305983

#305983

Color Values

HEX

#305983

RGB

48, 89, 131

HSL

210.4, 46.4%, 35.1%

HSV

210.4, 63.4%, 51.4%

CMYK

63.4%, 32.1%, 0.0%, 48.6%

OKLCH

0.4541 0.0832 250.6

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#305983

#835A30

Analogous

#308283

#313083

#305983

Triadic

#305983

#833059

#598330

Split Complementary

#305983

#833130

#828330

Tetradic

#305983

#833082

#835A30

#308331

Color Blindness Simulation

Original

#305983

Protanopia

#424279

Deuteranopia

#3F3C76

Tritanopia

#32716F

Achromatopsia

#535353

CSS Usage

background-color: #305983;
color: #305983;
border-color: #305983;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDBEC
300
#A5C1DE
400
#75A0CC
500
#447FBB
600
#376595
700
#2C5177
800
#223F5D
900
#1C3045
950
#121E2B

Contrast Checker

Text on white

7.29:1

AA Pass AAA Pass

Text on black

2.88:1

AA Fail 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