#303677

#303677

Color Values

HEX

#303677

RGB

48, 54, 119

HSL

234.9, 42.5%, 32.7%

HSV

234.9, 59.7%, 46.7%

CMYK

59.7%, 54.6%, 0.0%, 53.3%

OKLCH

0.3654 0.1098 275.6

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#303677

#777130

Analogous

#305977

#4D3077

#303677

Triadic

#303677

#773036

#367730

Split Complementary

#303677

#774D30

#597730

Tetradic

#303677

#773059

#777130

#30774D

Color Blindness Simulation

Original

#303677

Protanopia

#333367

Deuteranopia

#323264

Tritanopia

#305B58

Achromatopsia

#393939

CSS Usage

background-color: #303677;
color: #303677;
border-color: #303677;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E8F4
200
#CCCFEA
300
#A8ACDC
400
#797FC9
500
#4953B6
600
#3B4291
700
#2F3574
800
#25295B
900
#1E2143
950
#13152A

Contrast Checker

Text on white

10.94:1

AA Pass AAA Pass

Text on black

1.92:1

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