#191B34

#191B34

Color Values

HEX

#191B34

RGB

25, 27, 52

HSL

235.6, 35.1%, 15.1%

HSV

235.6, 51.9%, 20.4%

CMYK

51.9%, 48.1%, 0.0%, 79.6%

OKLCH

0.2341 0.0479 278.5

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#191B34

#343219

Analogous

#192834

#251934

#191B34

Triadic

#191B34

#34191B

#1B3419

Split Complementary

#191B34

#342519

#283419

Tetradic

#191B34

#341928

#343219

#193425

Color Blindness Simulation

Original

#191B34

Protanopia

#1A1A2E

Deuteranopia

#1A1A2C

Tritanopia

#192928

Achromatopsia

#1C1C1C

CSS Usage

background-color: #191B34;
color: #191B34;
border-color: #191B34;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F5FA
100
#E8E9F2
200
#CFD1E8
300
#ACAFD7
400
#8084C2
500
#5359AC
600
#42478A
700
#35396E
800
#292D56
900
#212340
950
#151628

Contrast Checker

Text on white

16.83:1

AA Pass AAA Pass

Text on black

1.25:1

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