#010528

#010528

Color Values

HEX

#010528

RGB

1, 5, 40

HSL

233.8, 95.1%, 8.0%

HSV

233.8, 97.5%, 15.7%

CMYK

97.5%, 87.5%, 0.0%, 84.3%

OKLCH

0.1447 0.0736 265.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#010528

#282401

Analogous

#011828

#100128

#010528

Triadic

#010528

#280105

#052801

Split Complementary

#010528

#281001

#182801

Tetradic

#010528

#280118

#282401

#012810

Color Blindness Simulation

Original

#010528

Protanopia

#030320

Deuteranopia

#02021E

Tritanopia

#011917

Achromatopsia

#070707

CSS Usage

background-color: #010528;
color: #010528;
border-color: #010528;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F2FE
100
#DFE2FC
200
#B9C0FD
300
#8894FC
400
#4759FA
500
#061FF9
600
#0519C7
700
#04149F
800
#03107C
900
#07105A
950
#040A39

Contrast Checker

Text on white

19.93:1

AA Pass AAA Pass

Text on black

1.05:1

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