#2564AB

#2564AB

Color Values

HEX

#2564AB

RGB

37, 100, 171

HSL

211.8, 64.4%, 40.8%

HSV

211.8, 78.4%, 67.1%

CMYK

78.4%, 41.5%, 0.0%, 32.9%

OKLCH

0.5005 0.1299 254.0

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#2564AB

#AB6C25

Analogous

#25A7AB

#2925AB

#2564AB

Triadic

#2564AB

#AB2564

#64AB25

Split Complementary

#2564AB

#AB2925

#A7AB25

Tetradic

#2564AB

#AB25A7

#AB6C25

#25AB29

Color Blindness Simulation

Original

#2564AB

Protanopia

#40419A

Deuteranopia

#3D3896

Tritanopia

#288C89

Achromatopsia

#5C5C5C

CSS Usage

background-color: #2564AB;
color: #2564AB;
border-color: #2564AB;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C4DAF2
300
#9ABFE9
400
#649DDD
500
#2D7BD2
600
#2462A8
700
#1D4E86
800
#173D69
900
#142F4D
950
#0D1E30

Contrast Checker

Text on white

6.02:1

AA Pass AAA Fail

Text on black

3.49:1

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