#181DB2

#181DB2

Color Values

HEX

#181DB2

RGB

24, 29, 178

HSL

238,1, 76,2%, 39,6%

HSV

238,1, 86,5%, 69,8%

CMYK

86,5%, 83,7%, 0,0%, 30,2%

OKLCH

0,3724 0,2206 267,9

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#181DB2

#B2AD18

Analogous

#186AB2

#6018B2

#181DB2

Triadic

#181DB2

#B2181D

#1DB218

Split Complementary

#181DB2

#B26018

#6AB218

Tetradic

#181DB2

#B2186A

#B2AD18

#18B260

Color Blindness Simulation

Original

#181DB2

Protanopia

#1A1A8E

Deuteranopia

#1A1985

Tritanopia

#18716B

Achromatopsia

#272727

CSS Usage

background-color: #181DB2;
color: #181DB2;
border-color: #181DB2;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F3FC
100
#E2E2F9
200
#C0C2F7
300
#9396F0
400
#595DE9
500
#1E24E1
600
#181DB4
700
#131790
800
#0F1270
900
#0F1152
950
#0A0B34

Contrast Checker

Text on white

11,31:1

AA Pass AAA Pass

Text on black

1,86:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026