#256BB4

#256BB4

Color Values

HEX

#256BB4

RGB

37, 107, 180

HSL

210.6, 65.9%, 42.5%

HSV

210.6, 79.4%, 70.6%

CMYK

79.4%, 40.6%, 0.0%, 29.4%

OKLCH

0.5225 0.1341 252.7

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#256BB4

#B46E25

Analogous

#25B2B4

#2625B4

#256BB4

Triadic

#256BB4

#B4256B

#6BB425

Split Complementary

#256BB4

#B42625

#B2B425

Tetradic

#256BB4

#B425B2

#B46E25

#25B426

Color Blindness Simulation

Original

#256BB4

Protanopia

#4344A2

Deuteranopia

#3F3A9E

Tritanopia

#289491

Achromatopsia

#616161

CSS Usage

background-color: #256BB4;
color: #256BB4;
border-color: #256BB4;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C4DBF3
300
#99C1EA
400
#629FDF
500
#2B7ED4
600
#2365A9
700
#1C5187
800
#163F6A
900
#14304D
950
#0C1E31

Contrast Checker

Text on white

5.47:1

AA Pass AAA Fail

Text on black

3.84:1

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