#304B6D

#304B6D

Color Values

HEX

#304B6D

RGB

48, 75, 109

HSL

213.4, 38.9%, 30.8%

HSV

213.4, 56.0%, 42.7%

CMYK

56.0%, 31.2%, 0.0%, 57.3%

OKLCH

0.4073 0.0663 254.8

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#304B6D

#6D5230

Analogous

#306A6D

#33306D

#304B6D

Triadic

#304B6D

#6D304B

#4B6D30

Split Complementary

#304B6D

#6D3330

#6A6D30

Tetradic

#304B6D

#6D306A

#6D5230

#306D33

Color Blindness Simulation

Original

#304B6D

Protanopia

#3C3C65

Deuteranopia

#3A3863

Tritanopia

#315E5D

Achromatopsia

#484848

CSS Usage

background-color: #304B6D;
color: #304B6D;
border-color: #304B6D;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CDDAE9
300
#AABFDA
400
#7C9CC5
500
#4E7AB1
600
#3E628E
700
#324E71
800
#273D59
900
#1F2F41
950
#141D29

Contrast Checker

Text on white

8.93:1

AA Pass AAA Pass

Text on black

2.35:1

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