#408F9B

#408F9B

Color Values

HEX

#408F9B

RGB

64, 143, 155

HSL

187.9, 41.6%, 42.9%

HSV

187.9, 58.7%, 60.8%

CMYK

58.7%, 7.7%, 0.0%, 39.2%

OKLCH

0.6057 0.0788 208.7

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#408F9B

#9B4C40

Analogous

#409B79

#40619B

#408F9B

Triadic

#408F9B

#9B408F

#8F9B40

Split Complementary

#408F9B

#9B4061

#9B7940

Tetradic

#408F9B

#79409B

#9B4C40

#619B40

Color Blindness Simulation

Original

#408F9B

Protanopia

#626398

Deuteranopia

#5E5897

Tritanopia

#449695

Achromatopsia

#7F7F7F

CSS Usage

background-color: #408F9B;
color: #408F9B;
border-color: #408F9B;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F5F9FA
100
#E7F2F3
200
#CCE6EA
300
#A8D5DB
400
#79BEC8
500
#4AA7B5
600
#3C8590
700
#306B74
800
#25535A
900
#1E3E43
950
#13272A

Contrast Checker

Text on white

3.74:1

AA Fail AAA Fail

Text on black

5.62:1

AA Pass 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