#1273ED

#1273ED

Color Values

HEX

#1273ED

RGB

18, 115, 237

HSL

213.4, 85.9%, 50.0%

HSV

213.4, 92.4%, 92.9%

CMYK

92.4%, 51.5%, 0.0%, 7.1%

OKLCH

0.5763 0.202 257.8

Properties

Cool Light Nearest: royalblue

Color Harmonies

Complementary

#1273ED

#ED8C12

Analogous

#12E1ED

#1E12ED

#1273ED

Triadic

#1273ED

#ED1273

#73ED12

Split Complementary

#1273ED

#ED1E12

#E1ED12

Tetradic

#1273ED

#ED12E1

#ED8C12

#12ED1E

Color Blindness Simulation

Original

#1273ED

Protanopia

#3C3DD0

Deuteranopia

#362FC8

Tritanopia

#17B8B3

Achromatopsia

#676767

CSS Usage

background-color: #1273ED;
color: #1273ED;
border-color: #1273ED;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F2F7FD
100
#E0ECFA
200
#BDD8FA
300
#8DBCF6
400
#5097F2
500
#1273ED
600
#0E5CBE
700
#0C4A98
800
#093A77
900
#0B2C56
950
#071C36

Contrast Checker

Text on white

4.47:1

AA Fail AAA Fail

Text on black

4.7:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026