#034378

#034378

Color Values

HEX

#034378

RGB

3, 67, 120

HSL

207.2, 95.1%, 24.1%

HSV

207.2, 97.5%, 47.1%

CMYK

97.5%, 44.2%, 0.0%, 52.9%

OKLCH

0.3782 0.1071 250.8

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#034378

#783803

Analogous

#037872

#030878

#034378

Triadic

#034378

#780343

#437803

Split Complementary

#034378

#780308

#787203

Tetradic

#034378

#720378

#783803

#087803

Color Blindness Simulation

Original

#034378

Protanopia

#1F1F6B

Deuteranopia

#1B1668

Tritanopia

#06615F

Achromatopsia

#393939

CSS Usage

background-color: #034378;
color: #034378;
border-color: #034378;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F1F8FE
100
#DFEEFC
200
#B9DEFD
300
#88C7FC
400
#47A9FA
500
#068BF9
600
#056FC7
700
#04599F
800
#03457C
900
#07345A
950
#042139

Contrast Checker

Text on white

10.11:1

AA Pass AAA Pass

Text on black

2.08:1

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