#0183CB

#0183CB

Color Values

HEX

#0183CB

RGB

1, 131, 203

HSL

201.4, 99.0%, 40.0%

HSV

201.4, 99.5%, 79.6%

CMYK

99.5%, 35.5%, 0.0%, 20.4%

OKLCH

0.5875 0.1444 243.9

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#0183CB

#CB4901

Analogous

#01CBAE

#011ECB

#0183CB

Triadic

#0183CB

#CB0183

#83CB01

Split Complementary

#0183CB

#CB011E

#CBAE01

Tetradic

#0183CB

#AE01CB

#CB4901

#1ECB01

Color Blindness Simulation

Original

#0183CB

Protanopia

#393ABA

Deuteranopia

#3228B5

Tritanopia

#08ACA9

Achromatopsia

#6D6D6D

CSS Usage

background-color: #0183CB;
color: #0183CB;
border-color: #0183CB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F1F9FE
100
#DEF1FC
200
#B8E5FF
300
#85D3FE
400
#43BBFE
500
#01A4FE
600
#0183CB
700
#0169A2
800
#01527F
900
#053D5C
950
#03263A

Contrast Checker

Text on white

4.11:1

AA Fail AAA Fail

Text on black

5.11:1

AA Pass 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