#181DBF

#181DBF

Color Values

HEX

#181DBF

RGB

24, 29, 191

HSL

238.2, 77.7%, 42.2%

HSV

238.2, 87.4%, 74.9%

CMYK

87.4%, 84.8%, 0.0%, 25.1%

OKLCH

0.3885 0.2351 267.4

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#181DBF

#BFBA18

Analogous

#1871BF

#6718BF

#181DBF

Triadic

#181DBF

#BF181D

#1DBF18

Split Complementary

#181DBF

#BF6718

#71BF18

Tetradic

#181DBF

#BF1871

#BFBA18

#18BF67

Color Blindness Simulation

Original

#181DBF

Protanopia

#1A1A98

Deuteranopia

#1A198E

Tritanopia

#187972

Achromatopsia

#282828

CSS Usage

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

Tailwind Shades

50
#F2F3FC
100
#E1E2F9
200
#C0C1F7
300
#9295F1
400
#575CEA
500
#1C22E3
600
#171CB5
700
#121691
800
#0E1171
900
#0F1152
950
#090A34

Contrast Checker

Text on white

10.68:1

AA Pass AAA Pass

Text on black

1.97:1

AA Fail AAA Fail

Related Articles

Tutorials

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

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026