#313670

#313670

Color Values

HEX

#313670

RGB

49, 54, 112

HSL

235.2, 39.1%, 31.6%

HSV

235.2, 56.2%, 43.9%

CMYK

56.2%, 51.8%, 0.0%, 56.1%

OKLCH

0.3609 0.0987 276.5

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#313670

#706B31

Analogous

#315670

#4C3170

#313670

Triadic

#313670

#703136

#367031

Split Complementary

#313670

#704C31

#567031

Tetradic

#313670

#703156

#706B31

#31704C

Color Blindness Simulation

Original

#313670

Protanopia

#333362

Deuteranopia

#33325F

Tritanopia

#315754

Achromatopsia

#393939

CSS Usage

background-color: #313670;
color: #313670;
border-color: #313670;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDD0E9
300
#AAAEDA
400
#7C82C6
500
#4E56B1
600
#3E448E
700
#323772
800
#272B59
900
#1F2241
950
#141629

Contrast Checker

Text on white

11.1:1

AA Pass AAA Pass

Text on black

1.89:1

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