#191BF4

#191BF4

Color Values

HEX

#191BF4

RGB

25, 27, 244

HSL

239.5, 90.9%, 52.7%

HSV

239.5, 89.8%, 95.7%

CMYK

89.8%, 88.9%, 0.0%, 4.3%

OKLCH

0.4537 0.2914 266.3

Properties

Cool Dark Nearest: blue

Color Harmonies

Complementary

#191BF4

#F4F219

Analogous

#1988F4

#8519F4

#191BF4

Triadic

#191BF4

#F4191B

#1BF419

Split Complementary

#191BF4

#F48519

#88F419

Tetradic

#191BF4

#F41988

#F4F219

#19F485

Color Blindness Simulation

Original

#191BF4

Protanopia

#1A1AC0

Deuteranopia

#1A1AB3

Tritanopia

#19968D

Achromatopsia

#2A2A2A

CSS Usage

background-color: #191BF4;
color: #191BF4;
border-color: #191BF4;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F1F2FD
100
#DFE0FB
200
#BBBBFC
300
#8A8BF9
400
#4B4CF6
500
#0C0EF3
600
#090BC3
700
#07099C
800
#06077A
900
#090958
950
#060638

Contrast Checker

Text on white

8.39:1

AA Pass AAA Pass

Text on black

2.5:1

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