#1871DF

#1871DF

Color Values

HEX

#1871DF

RGB

24, 113, 223

HSL

213,2, 80,6%, 48,4%

HSV

213,2, 89,2%, 87,5%

CMYK

89,2%, 49,3%, 0,0%, 12,5%

OKLCH

0,5625 0,1858 257,1

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#1871DF

#DF8618

Analogous

#18D4DF

#2318DF

#1871DF

Triadic

#1871DF

#DF1871

#71DF18

Split Complementary

#1871DF

#DF2318

#D4DF18

Tetradic

#1871DF

#DF18D4

#DF8618

#18DF23

Color Blindness Simulation

Original

#1871DF

Protanopia

#3F3FC4

Deuteranopia

#3933BE

Tritanopia

#1CAFAB

Achromatopsia

#666666

CSS Usage

background-color: #1871DF;
color: #1871DF;
border-color: #1871DF;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F2F7FD
100
#E1ECF9
200
#BFD8F8
300
#90BDF3
400
#5599ED
500
#1975E6
600
#145DB8
700
#104B93
800
#0C3A73
900
#0D2D54
950
#081C35

Contrast Checker

Text on white

4,7:1

AA Pass AAA Fail

Text on black

4,47:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026