#303C5F

#303C5F

Color Values

HEX

#303C5F

RGB

48, 60, 95

HSL

224.7, 32.9%, 28.0%

HSV

224.7, 49.5%, 37.3%

CMYK

49.5%, 36.8%, 0.0%, 62.7%

OKLCH

0.3625 0.0629 268.8

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#303C5F

#5F5330

Analogous

#30535F

#3B305F

#303C5F

Triadic

#303C5F

#5F303C

#3C5F30

Split Complementary

#303C5F

#5F3B30

#535F30

Tetradic

#303C5F

#5F3053

#5F5330

#305F3B

Color Blindness Simulation

Original

#303C5F

Protanopia

#353557

Deuteranopia

#343454

Tritanopia

#31504E

Achromatopsia

#3C3C3C

CSS Usage

background-color: #303C5F;
color: #303C5F;
border-color: #303C5F;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F6F9
100
#E8EBF2
200
#D0D6E7
300
#AEB8D6
400
#8291C0
500
#566BA9
600
#445688
700
#37446C
800
#2B3555
900
#22293F
950
#161A28

Contrast Checker

Text on white

10.84:1

AA Pass AAA Pass

Text on black

1.94:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026