#31405A

#31405A

Color Values

HEX

#31405A

RGB

49, 64, 90

HSL

218.0, 29.5%, 27.3%

HSV

218.0, 45.6%, 35.3%

CMYK

45.6%, 28.9%, 0.0%, 64.7%

OKLCH

0.3703 0.0492 261.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#31405A

#5A4B31

Analogous

#31555A

#37315A

#31405A

Triadic

#31405A

#5A3140

#405A31

Split Complementary

#31405A

#5A3731

#555A31

Tetradic

#31405A

#5A3155

#5A4B31

#315A37

Color Blindness Simulation

Original

#31405A

Protanopia

#373854

Deuteranopia

#373652

Tritanopia

#324F4E

Achromatopsia

#3F3F3F

CSS Usage

background-color: #31405A;
color: #31405A;
border-color: #31405A;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7F9
100
#E9ECF2
200
#D1D8E6
300
#B0BDD4
400
#8599BC
500
#5A75A5
600
#485E84
700
#3A4B6A
800
#2D3B53
900
#242D3D
950
#161C27

Contrast Checker

Text on white

10.44:1

AA Pass AAA Pass

Text on black

2.01:1

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