#181DBE

#181DBE

Color Values

HEX

#181DBE

RGB

24, 29, 190

HSL

238.2, 77.6%, 42.0%

HSV

238.2, 87.4%, 74.5%

CMYK

87.4%, 84.7%, 0.0%, 25.5%

OKLCH

0.3873 0.234 267.5

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#181DBE

#BEB918

Analogous

#1870BE

#6618BE

#181DBE

Triadic

#181DBE

#BE181D

#1DBE18

Split Complementary

#181DBE

#BE6618

#70BE18

Tetradic

#181DBE

#BE1870

#BEB918

#18BE66

Color Blindness Simulation

Original

#181DBE

Protanopia

#1A1A97

Deuteranopia

#1A198E

Tritanopia

#187872

Achromatopsia

#282828

CSS Usage

background-color: #181DBE;
color: #181DBE;
border-color: #181DBE;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F3FC
100
#E1E2F9
200
#C0C1F7
300
#9295F1
400
#575CEA
500
#1D22E2
600
#171CB5
700
#121691
800
#0E1171
900
#0F1152
950
#090B34

Contrast Checker

Text on white

10.72:1

AA Pass AAA Pass

Text on black

1.96:1

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