#313756

#313756

Color Values

HEX

#313756

RGB

49, 55, 86

HSL

230.3, 27.4%, 26.5%

HSV

230.3, 43.0%, 33.7%

CMYK

43.0%, 36.0%, 0.0%, 66.3%

OKLCH

0.346 0.0549 274.8

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#313756

#565031

Analogous

#314A56

#3E3156

#313756

Triadic

#313756

#563137

#375631

Split Complementary

#313756

#563E31

#4A5631

Tetradic

#313756

#56314A

#565031

#31563E

Color Blindness Simulation

Original

#313756

Protanopia

#34344F

Deuteranopia

#33334D

Tritanopia

#314947

Achromatopsia

#383838

CSS Usage

background-color: #313756;
color: #313756;
border-color: #313756;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D5E5
300
#B1B6D3
400
#878FBB
500
#5D68A2
600
#4A5382
700
#3B4268
800
#2E3451
900
#25283C
950
#171926

Contrast Checker

Text on white

11.59:1

AA Pass AAA Pass

Text on black

1.81:1

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