#313656

#313656

Color Values

HEX

#313656

RGB

49, 54, 86

HSL

231.9, 27.4%, 26.5%

HSV

231.9, 43.0%, 33.7%

CMYK

43.0%, 37.2%, 0.0%, 66.3%

OKLCH

0.3436 0.0564 276.2

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#313656

#565131

Analogous

#314956

#3F3156

#313656

Triadic

#313656

#563136

#365631

Split Complementary

#313656

#563F31

#495631

Tetradic

#313656

#563149

#565131

#31563F

Color Blindness Simulation

Original

#313656

Protanopia

#33334E

Deuteranopia

#33324C

Tritanopia

#314847

Achromatopsia

#373737

CSS Usage

background-color: #313656;
color: #313656;
border-color: #313656;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D4E5
300
#B1B6D3
400
#878EBB
500
#5D66A2
600
#4A5282
700
#3B4168
800
#2E3351
900
#25283C
950
#171926

Contrast Checker

Text on white

11.71:1

AA Pass AAA Pass

Text on black

1.79:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026