#256DBC

#256DBC

Color Values

HEX

#256DBC

RGB

37, 109, 188

HSL

211.4, 67.1%, 44.1%

HSV

211.4, 80.3%, 73.7%

CMYK

80.3%, 42.0%, 0.0%, 26.3%

OKLCH

0.5322 0.1424 253.8

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#256DBC

#BC7425

Analogous

#25B8BC

#2925BC

#256DBC

Triadic

#256DBC

#BC256D

#6DBC25

Split Complementary

#256DBC

#BC2925

#B8BC25

Tetradic

#256DBC

#BC25B8

#BC7425

#25BC29

Color Blindness Simulation

Original

#256DBC

Protanopia

#4445A9

Deuteranopia

#403BA4

Tritanopia

#299A96

Achromatopsia

#636363

CSS Usage

background-color: #256DBC;
color: #256DBC;
border-color: #256DBC;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C3DAF3
300
#99C0EB
400
#619EE0
500
#2A7CD5
600
#2263AA
700
#1B4F88
800
#153E6B
900
#132F4E
950
#0C1E31

Contrast Checker

Text on white

5.26:1

AA Pass AAA Fail

Text on black

3.99:1

AA Fail 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