#051028

#051028

Color Values

HEX

#051028

RGB

5, 16, 40

HSL

221.1, 77.8%, 8.8%

HSV

221.1, 87.5%, 15.7%

CMYK

87.5%, 60.0%, 0.0%, 84.3%

OKLCH

0.179 0.0522 262.4

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#051028

#281D05

Analogous

#052128

#0B0528

#051028

Triadic

#051028

#280510

#102805

Split Complementary

#051028

#280B05

#212805

Tetradic

#051028

#280521

#281D05

#05280B

Color Blindness Simulation

Original

#051028

Protanopia

#0A0A22

Deuteranopia

#090821

Tritanopia

#061E1D

Achromatopsia

#0F0F0F

CSS Usage

background-color: #051028;
color: #051028;
border-color: #051028;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F5FC
100
#E1E9F9
200
#C0D1F7
300
#92B0F1
400
#5785EA
500
#1C5BE3
600
#1749B5
700
#123A91
800
#0E2D71
900
#0F2452
950
#091734

Contrast Checker

Text on white

18.9:1

AA Pass AAA Pass

Text on black

1.11:1

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