#191BBF

#191BBF

Color Values

HEX

#191BBF

RGB

25, 27, 191

HSL

239.3, 76.9%, 42.4%

HSV

239.3, 86.9%, 74.9%

CMYK

86.9%, 85.9%, 0.0%, 25.1%

OKLCH

0.387 0.2361 267.7

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#191BBF

#BFBD19

Analogous

#196EBF

#6A19BF

#191BBF

Triadic

#191BBF

#BF191B

#1BBF19

Split Complementary

#191BBF

#BF6A19

#6EBF19

Tetradic

#191BBF

#BF196E

#BFBD19

#19BF6A

Color Blindness Simulation

Original

#191BBF

Protanopia

#1A1A97

Deuteranopia

#1A1A8E

Tritanopia

#197871

Achromatopsia

#262626

CSS Usage

background-color: #191BBF;
color: #191BBF;
border-color: #191BBF;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F2FC
100
#E1E2F9
200
#C0C0F7
300
#9394F1
400
#585AE9
500
#1D20E2
600
#1819B4
700
#131490
800
#0F1071
900
#0F1052
950
#090A34

Contrast Checker

Text on white

10.77:1

AA Pass AAA Pass

Text on black

1.95:1

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