#03051E

#03051E

Color Values

HEX

#03051E

RGB

3, 5, 30

HSL

235.6, 81.8%, 6.5%

HSV

235.6, 90.0%, 11.8%

CMYK

90.0%, 83.3%, 0.0%, 88.2%

OKLCH

0.1344 0.0551 271.0

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#03051E

#1E1C03

Analogous

#03131E

#0F031E

#03051E

Triadic

#03051E

#1E0305

#051E03

Split Complementary

#03051E

#1E0F03

#131E03

Tetradic

#03051E

#1E0313

#1E1C03

#031E0F

Color Blindness Simulation

Original

#03051E

Protanopia

#040418

Deuteranopia

#040416

Tritanopia

#031312

Achromatopsia

#060606

CSS Usage

background-color: #03051E;
color: #03051E;
border-color: #03051E;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F2F3FD
100
#E1E3FA
200
#BEC2F9
300
#9097F4
400
#535FEE
500
#1727E8
600
#131FB9
700
#0F1994
800
#0C1374
900
#0D1254
950
#080B35

Contrast Checker

Text on white

20.11:1

AA Pass AAA Pass

Text on black

1.04:1

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