#0155CB

#0155CB

Color Values

HEX

#0155CB

RGB

1, 85, 203

HSL

215.0, 99.0%, 40.0%

HSV

215.0, 99.5%, 79.6%

CMYK

99.5%, 58.1%, 0.0%, 20.4%

OKLCH

0.4854 0.1962 259.9

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#0155CB

#CB7701

Analogous

#01BACB

#1201CB

#0155CB

Triadic

#0155CB

#CB0155

#55CB01

Split Complementary

#0155CB

#CB1201

#BACB01

Tetradic

#0155CB

#CB01BA

#CB7701

#01CB12

Color Blindness Simulation

Original

#0155CB

Protanopia

#2526AE

Deuteranopia

#201AA8

Tritanopia

#059893

Achromatopsia

#4C4C4C

CSS Usage

background-color: #0155CB;
color: #0155CB;
border-color: #0155CB;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F1F6FE
100
#DEEBFC
200
#B8D5FF
300
#85B8FE
400
#4391FE
500
#016AFE
600
#0155CB
700
#0144A2
800
#01357F
900
#05295C
950
#031A3A

Contrast Checker

Text on white

6.64:1

AA Pass AAA Fail

Text on black

3.16:1

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