#0188CB

#0188CB

Color Values

HEX

#0188CB

RGB

1, 136, 203

HSL

199.9, 99.0%, 40.0%

HSV

199.9, 99.5%, 79.6%

CMYK

99.5%, 33.0%, 0.0%, 20.4%

OKLCH

0.5993 0.14 241.2

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#0188CB

#CB4401

Analogous

#01CBA9

#0123CB

#0188CB

Triadic

#0188CB

#CB0188

#88CB01

Split Complementary

#0188CB

#CB0123

#CBA901

Tetradic

#0188CB

#A901CB

#CB4401

#23CB01

Color Blindness Simulation

Original

#0188CB

Protanopia

#3B3DBB

Deuteranopia

#342AB7

Tritanopia

#08AEAB

Achromatopsia

#707070

CSS Usage

background-color: #0188CB;
color: #0188CB;
border-color: #0188CB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F1FAFE
100
#DEF2FC
200
#B8E7FF
300
#85D6FE
400
#43C0FE
500
#01AAFE
600
#0188CB
700
#016DA2
800
#01557F
900
#053F5C
950
#03283A

Contrast Checker

Text on white

3.9:1

AA Fail AAA Fail

Text on black

5.39:1

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