#05203A

#05203A

Color Values

HEX

#05203A

RGB

5, 32, 58

HSL

209.4, 84.1%, 12.4%

HSV

209.4, 91.4%, 22.7%

CMYK

91.4%, 44.8%, 0.0%, 77.3%

OKLCH

0.2393 0.0596 250.6

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#05203A

#3A1F05

Analogous

#053A3A

#05063A

#05203A

Triadic

#05203A

#3A0520

#203A05

Split Complementary

#05203A

#3A0506

#3A3A05

Tetradic

#05203A

#3A053A

#3A1F05

#063A05

Color Blindness Simulation

Original

#05203A

Protanopia

#111134

Deuteranopia

#0F0D32

Tritanopia

#062F2E

Achromatopsia

#1C1C1C

CSS Usage

background-color: #05203A;
color: #05203A;
border-color: #05203A;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F7FD
100
#E0EDFA
200
#BDDCF9
300
#8EC3F5
400
#51A2F0
500
#1482EB
600
#1068BC
700
#0D5396
800
#0A4175
900
#0C3155
950
#071F36

Contrast Checker

Text on white

16.48:1

AA Pass AAA Pass

Text on black

1.27:1

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