#181DB0

#181DB0

Color Values

HEX

#181DB0

RGB

24, 29, 176

HSL

238.0, 76.0%, 39.2%

HSV

238.0, 86.4%, 69.0%

CMYK

86.4%, 83.5%, 0.0%, 31.0%

OKLCH

0.3699 0.2184 268.0

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#181DB0

#B0AB18

Analogous

#1869B0

#5F18B0

#181DB0

Triadic

#181DB0

#B0181D

#1DB018

Split Complementary

#181DB0

#B05F18

#69B018

Tetradic

#181DB0

#B01869

#B0AB18

#18B05F

Color Blindness Simulation

Original

#181DB0

Protanopia

#1A1A8C

Deuteranopia

#1A1984

Tritanopia

#18706A

Achromatopsia

#272727

CSS Usage

background-color: #181DB0;
color: #181DB0;
border-color: #181DB0;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F3FC
100
#E2E2F9
200
#C0C2F6
300
#9396F0
400
#595EE8
500
#1F25E0
600
#181EB4
700
#141890
800
#0F1370
900
#0F1252
950
#0A0B34

Contrast Checker

Text on white

11.4:1

AA Pass AAA Pass

Text on black

1.84:1

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