#191B59

#191B59

Color Values

HEX

#191B59

RGB

25, 27, 89

HSL

238.1, 56.1%, 22.4%

HSV

238.1, 71.9%, 34.9%

CMYK

71.9%, 69.7%, 0.0%, 65.1%

OKLCH

0.2666 0.1089 274.8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#191B59

#595719

Analogous

#193B59

#371959

#191B59

Triadic

#191B59

#59191B

#1B5919

Split Complementary

#191B59

#593719

#3B5919

Tetradic

#191B59

#59193B

#595719

#195937

Color Blindness Simulation

Original

#191B59

Protanopia

#1A1A4A

Deuteranopia

#1A1A46

Tritanopia

#193E3C

Achromatopsia

#1F1F1F

CSS Usage

background-color: #191B59;
color: #191B59;
border-color: #191B59;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E5E5F6
200
#C7C9EF
300
#9FA2E4
400
#6C6FD6
500
#383DC7
600
#2D309F
700
#24277F
800
#1C1E64
900
#181A49
950
#0F102E

Contrast Checker

Text on white

15.64:1

AA Pass AAA Pass

Text on black

1.34:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026