#033A8F

#033A8F

Color Values

HEX

#033A8F

RGB

3, 58, 143

HSL

216.4, 95.9%, 28.6%

HSV

216.4, 97.9%, 56.1%

CMYK

97.9%, 59.4%, 0.0%, 43.9%

OKLCH

0.376 0.1505 260.2

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#033A8F

#8F5803

Analogous

#03808F

#12038F

#033A8F

Triadic

#033A8F

#8F033A

#3A8F03

Split Complementary

#033A8F

#8F1203

#808F03

Tetradic

#033A8F

#8F0380

#8F5803

#038F12

Color Blindness Simulation

Original

#033A8F

Protanopia

#1B1B7A

Deuteranopia

#181476

Tritanopia

#066A67

Achromatopsia

#343434

CSS Usage

background-color: #033A8F;
color: #033A8F;
border-color: #033A8F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F6FE
100
#DFEAFC
200
#B9D4FE
300
#87B5FC
400
#468DFB
500
#0565FA
600
#0451C8
700
#0341A0
800
#03337D
900
#07285A
950
#041939

Contrast Checker

Text on white

10.47:1

AA Pass AAA Pass

Text on black

2.01:1

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