#40576B

#40576B

Color Values

HEX

#40576B

RGB

64, 87, 107

HSL

207.9, 25.1%, 33.5%

HSV

207.9, 40.2%, 42.0%

CMYK

40.2%, 18.7%, 0.0%, 58.0%

OKLCH

0.4462 0.0433 245.2

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#40576B

#6B5440

Analogous

#406B69

#40416B

#40576B

Triadic

#40576B

#6B4057

#576B40

Split Complementary

#40576B

#6B4041

#6B6940

Tetradic

#40576B

#69406B

#6B5440

#416B40

Color Blindness Simulation

Original

#40576B

Protanopia

#4A4A66

Deuteranopia

#494765

Tritanopia

#416262

Achromatopsia

#545454

CSS Usage

background-color: #40576B;
color: #40576B;
border-color: #40576B;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DCE4
300
#B2C3D1
400
#89A2B8
500
#5F82A0
600
#4C6880
700
#3D5366
800
#304150
900
#26313B
950
#181F26

Contrast Checker

Text on white

7.52:1

AA Pass AAA Pass

Text on black

2.79:1

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