#12559F

#12559F

Color Values

HEX

#12559F

RGB

18, 85, 159

HSL

211.5, 79.7%, 34.7%

HSV

211.5, 88.7%, 62.4%

CMYK

88.7%, 46.5%, 0.0%, 37.6%

OKLCH

0.4526 0.136 254.9

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#12559F

#9F5C12

Analogous

#129B9F

#15129F

#12559F

Triadic

#12559F

#9F1255

#559F12

Split Complementary

#12559F

#9F1512

#9B9F12

Tetradic

#12559F

#9F129B

#9F5C12

#129F15

Color Blindness Simulation

Original

#12559F

Protanopia

#2F308D

Deuteranopia

#2B2689

Tritanopia

#157F7C

Achromatopsia

#4C4C4C

CSS Usage

background-color: #12559F;
color: #12559F;
border-color: #12559F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F7FD
100
#E1EDF9
200
#BFDAF8
300
#91BFF3
400
#559DEC
500
#1A7AE5
600
#1562B7
700
#114E93
800
#0D3D73
900
#0E2F53
950
#091E35

Contrast Checker

Text on white

7.43:1

AA Pass AAA Pass

Text on black

2.83:1

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