#256AAF

#256AAF

Color Values

HEX

#256AAF

RGB

37, 106, 175

HSL

210.0, 65.1%, 41.6%

HSV

210.0, 78.9%, 68.6%

CMYK

78.9%, 39.4%, 0.0%, 31.4%

OKLCH

0.517 0.1287 251.8

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#256AAF

#AF6A25

Analogous

#25AFAF

#2525AF

#256AAF

Triadic

#256AAF

#AF256A

#6AAF25

Split Complementary

#256AAF

#AF2525

#AFAF25

Tetradic

#256AAF

#AF25AF

#AF6A25

#25AF25

Color Blindness Simulation

Original

#256AAF

Protanopia

#43439E

Deuteranopia

#3F3A9A

Tritanopia

#28918E

Achromatopsia

#606060

CSS Usage

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

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C4DBF3
300
#9AC2EA
400
#63A1DE
500
#2C80D3
600
#2466A8
700
#1C5287
800
#164069
900
#14304D
950
#0D1F31

Contrast Checker

Text on white

5.59:1

AA Pass AAA Fail

Text on black

3.76:1

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