#40656C

#40656C

Color Values

HEX

#40656C

RGB

64, 101, 108

HSL

189.5, 25.6%, 33.7%

HSV

189.5, 40.7%, 42.4%

CMYK

40.7%, 6.5%, 0.0%, 57.6%

OKLCH

0.4817 0.0436 210.8

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#40656C

#6C4740

Analogous

#406C5D

#404F6C

#40656C

Triadic

#40656C

#6C4065

#656C40

Split Complementary

#40656C

#6C404F

#6C5D40

Tetradic

#40656C

#5D406C

#6C4740

#4F6C40

Color Blindness Simulation

Original

#40656C

Protanopia

#50506A

Deuteranopia

#4E4B6A

Tritanopia

#426969

Achromatopsia

#5E5E5E

CSS Usage

background-color: #40656C;
color: #40656C;
border-color: #40656C;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F9
100
#E9F0F1
200
#D2E2E4
300
#B2CDD1
400
#88B1B9
500
#5F96A0
600
#4C7880
700
#3D6066
800
#2F4B50
900
#25383C
950
#182326

Contrast Checker

Text on white

6.37:1

AA Pass AAA Fail

Text on black

3.3:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026