#256AB4

#256AB4

Color Values

HEX

#256AB4

RGB

37, 106, 180

HSL

211.0, 65.9%, 42.5%

HSV

211.0, 79.4%, 70.6%

CMYK

79.4%, 41.1%, 0.0%, 29.4%

OKLCH

0.5202 0.1352 253.3

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#256AB4

#B46F25

Analogous

#25B1B4

#2725B4

#256AB4

Triadic

#256AB4

#B4256A

#6AB425

Split Complementary

#256AB4

#B42725

#B1B425

Tetradic

#256AB4

#B425B1

#B46F25

#25B427

Color Blindness Simulation

Original

#256AB4

Protanopia

#4343A2

Deuteranopia

#3F3A9E

Tritanopia

#289491

Achromatopsia

#616161

CSS Usage

background-color: #256AB4;
color: #256AB4;
border-color: #256AB4;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C4DBF3
300
#99C0EA
400
#629FDF
500
#2B7DD4
600
#2364A9
700
#1C5087
800
#163E6A
900
#142F4D
950
#0C1E31

Contrast Checker

Text on white

5.53:1

AA Pass AAA Fail

Text on black

3.8:1

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