#303D67

#303D67

Color Values

HEX

#303D67

RGB

48, 61, 103

HSL

225.8, 36.4%, 29.6%

HSV

225.8, 53.4%, 40.4%

CMYK

53.4%, 40.8%, 0.0%, 59.6%

OKLCH

0.3699 0.0744 269.5

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#303D67

#675A30

Analogous

#305867

#3E3067

#303D67

Triadic

#303D67

#67303D

#3D6730

Split Complementary

#303D67

#673E30

#586730

Tetradic

#303D67

#673058

#675A30

#30673E

Color Blindness Simulation

Original

#303D67

Protanopia

#36365D

Deuteranopia

#35345A

Tritanopia

#315553

Achromatopsia

#3D3D3D

CSS Usage

background-color: #303D67;
color: #303D67;
border-color: #303D67;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F6FA
100
#E8EAF3
200
#CED4E8
300
#ACB6D8
400
#7E8FC3
500
#5167AE
600
#41528B
700
#34426F
800
#293457
900
#212840
950
#151929

Contrast Checker

Text on white

10.56:1

AA Pass AAA Pass

Text on black

1.99:1

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