#313143

#313143

Color Values

HEX

#313143

RGB

49, 49, 67

HSL

240.0, 15.5%, 22.7%

HSV

240.0, 26.9%, 26.3%

CMYK

26.9%, 26.9%, 0.0%, 73.7%

OKLCH

0.3211 0.0319 284.5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#313143

#434331

Analogous

#313A43

#3A3143

#313143

Triadic

#313143

#433131

#314331

Split Complementary

#313143

#433A31

#3A4331

Tetradic

#313143

#43313A

#434331

#31433A

Color Blindness Simulation

Original

#313143

Protanopia

#31313F

Deuteranopia

#31313E

Tritanopia

#313B3A

Achromatopsia

#323232

CSS Usage

background-color: #313143;
color: #313143;
border-color: #313143;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F8
100
#EBEBF0
200
#D6D6E1
300
#B8B8CB
400
#9292AF
500
#6C6C93
600
#565676
700
#45455E
800
#36364A
900
#2A2A37
950
#1A1A23

Contrast Checker

Text on white

12.72:1

AA Pass AAA Pass

Text on black

1.65:1

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