#313556

#313556

Color Values

HEX

#313556

RGB

49, 53, 86

HSL

233.5, 27.4%, 26.5%

HSV

233.5, 43.0%, 33.7%

CMYK

43.0%, 38.4%, 0.0%, 66.3%

OKLCH

0.3412 0.058 277.6

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#313556

#565231

Analogous

#314856

#403156

#313556

Triadic

#313556

#563135

#355631

Split Complementary

#313556

#564031

#485631

Tetradic

#313556

#563148

#565231

#315640

Color Blindness Simulation

Original

#313556

Protanopia

#33334E

Deuteranopia

#32324C

Tritanopia

#314846

Achromatopsia

#373737

CSS Usage

background-color: #313556;
color: #313556;
border-color: #313556;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D4E5
300
#B1B5D3
400
#878CBB
500
#5D64A2
600
#4A5082
700
#3B4068
800
#2E3251
900
#25273C
950
#171926

Contrast Checker

Text on white

11.84:1

AA Pass AAA Pass

Text on black

1.77:1

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