#40587D

#40587D

Color Values

HEX

#40587D

RGB

64, 88, 125

HSL

216.4, 32.3%, 37.1%

HSV

216.4, 48.8%, 49.0%

CMYK

48.8%, 29.6%, 0.0%, 51.0%

OKLCH

0.4575 0.0676 258.8

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#40587D

#7D6540

Analogous

#40777D

#47407D

#40587D

Triadic

#40587D

#7D4058

#587D40

Split Complementary

#40587D

#7D4740

#777D40

Tetradic

#40587D

#7D4077

#7D6540

#407D47

Color Blindness Simulation

Original

#40587D

Protanopia

#4A4B74

Deuteranopia

#494772

Tritanopia

#416D6B

Achromatopsia

#565656

CSS Usage

background-color: #40587D;
color: #40587D;
border-color: #40587D;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F7F9
100
#E8ECF2
200
#D0D9E7
300
#AEBED6
400
#829ABF
500
#5677A9
600
#455F87
700
#374C6C
800
#2B3B54
900
#222D3F
950
#161D27

Contrast Checker

Text on white

7.22:1

AA Pass AAA Pass

Text on black

2.91:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026