#30405C

#30405C

Color Values

HEX

#30405C

RGB

48, 64, 92

HSL

218.2, 31.4%, 27.5%

HSV

218.2, 47.8%, 36.1%

CMYK

47.8%, 30.4%, 0.0%, 63.9%

OKLCH

0.3706 0.0528 261.3

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#30405C

#5C4C30

Analogous

#30565C

#36305C

#30405C

Triadic

#30405C

#5C3040

#405C30

Split Complementary

#30405C

#5C3630

#565C30

Tetradic

#30405C

#5C3056

#5C4C30

#305C36

Color Blindness Simulation

Original

#30405C

Protanopia

#373755

Deuteranopia

#363554

Tritanopia

#31504F

Achromatopsia

#3F3F3F

CSS Usage

background-color: #30405C;
color: #30405C;
border-color: #30405C;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7F9
100
#E8ECF2
200
#D0D8E7
300
#AFBDD5
400
#8399BE
500
#5775A8
600
#465D86
700
#384B6B
800
#2C3A54
900
#232D3E
950
#161C27

Contrast Checker

Text on white

10.43:1

AA Pass AAA Pass

Text on black

2.01:1

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