#303D6F

#303D6F

Color Values

HEX

#303D6F

RGB

48, 61, 111

HSL

227.6, 39.6%, 31.2%

HSV

227.6, 56.8%, 43.5%

CMYK

56.8%, 45.0%, 0.0%, 56.5%

OKLCH

0.3751 0.0872 270.7

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#303D6F

#6F6230

Analogous

#305D6F

#43306F

#303D6F

Triadic

#303D6F

#6F303D

#3D6F30

Split Complementary

#303D6F

#6F4330

#5D6F30

Tetradic

#303D6F

#6F305D

#6F6230

#306F43

Color Blindness Simulation

Original

#303D6F

Protanopia

#363663

Deuteranopia

#353460

Tritanopia

#315957

Achromatopsia

#3E3E3E

CSS Usage

background-color: #303D6F;
color: #303D6F;
border-color: #303D6F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F6FA
100
#E7EAF3
200
#CDD3E9
300
#AAB4DA
400
#7B8BC6
500
#4D62B2
600
#3E4E8E
700
#313F72
800
#273159
900
#1F2642
950
#14182A

Contrast Checker

Text on white

10.38:1

AA Pass AAA Pass

Text on black

2.02:1

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