#304D6B

#304D6B

Color Values

HEX

#304D6B

RGB

48, 77, 107

HSL

210.5, 38.1%, 30.4%

HSV

210.5, 55.1%, 42.0%

CMYK

55.1%, 28.0%, 0.0%, 58.0%

OKLCH

0.4112 0.0615 250.3

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#304D6B

#6B4E30

Analogous

#306B6B

#30306B

#304D6B

Triadic

#304D6B

#6B304D

#4D6B30

Split Complementary

#304D6B

#6B3030

#6B6B30

Tetradic

#304D6B

#6B306B

#6B4E30

#306B30

Color Blindness Simulation

Original

#304D6B

Protanopia

#3D3D64

Deuteranopia

#3B3962

Tritanopia

#315E5D

Achromatopsia

#494949

CSS Usage

background-color: #304D6B;
color: #304D6B;
border-color: #304D6B;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CEDBE9
300
#AAC1D9
400
#7DA0C5
500
#4F7FB0
600
#3F658D
700
#335171
800
#273F58
900
#203041
950
#141E29

Contrast Checker

Text on white

8.75:1

AA Pass AAA Pass

Text on black

2.4:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026