#191DB3

#191DB3

Color Values

HEX

#191DB3

RGB

25, 29, 179

HSL

238.4, 75.5%, 40.0%

HSV

238.4, 86.0%, 70.2%

CMYK

86.0%, 83.8%, 0.0%, 29.8%

OKLCH

0.374 0.2215 268.1

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#191DB3

#B3AF19

Analogous

#196AB3

#6219B3

#191DB3

Triadic

#191DB3

#B3191D

#1DB319

Split Complementary

#191DB3

#B36219

#6AB319

Tetradic

#191DB3

#B3196A

#B3AF19

#19B362

Color Blindness Simulation

Original

#191DB3

Protanopia

#1B1B8F

Deuteranopia

#1A1A86

Tritanopia

#19726C

Achromatopsia

#272727

CSS Usage

background-color: #191DB3;
color: #191DB3;
border-color: #191DB3;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F3FC
100
#E2E2F9
200
#C0C2F6
300
#9496F0
400
#595DE8
500
#1F24E0
600
#191DB3
700
#14178F
800
#101270
900
#101151
950
#0A0B33

Contrast Checker

Text on white

11.24:1

AA Pass AAA Pass

Text on black

1.87:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026