#313766

#313766

Color Values

HEX

#313766

RGB

49, 55, 102

HSL

233.2, 35.1%, 29.6%

HSV

233.2, 52.0%, 40.0%

CMYK

52.0%, 46.1%, 0.0%, 60.0%

OKLCH

0.3561 0.0813 276.0

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#313766

#666031

Analogous

#315166

#453166

#313766

Triadic

#313766

#663137

#376631

Split Complementary

#313766

#664531

#516631

Tetradic

#313766

#663151

#666031

#316645

Color Blindness Simulation

Original

#313766

Protanopia

#34345B

Deuteranopia

#333358

Tritanopia

#315250

Achromatopsia

#393939

CSS Usage

background-color: #313766;
color: #313766;
border-color: #313766;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F6FA
100
#E8E9F2
200
#CFD2E8
300
#ACB1D7
400
#8087C2
500
#535DAC
600
#424A8A
700
#353B6E
800
#292E56
900
#212540
950
#151728

Contrast Checker

Text on white

11.24:1

AA Pass AAA Pass

Text on black

1.87:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026