#40596B

#40596B

Color Values

HEX

#40596B

RGB

64, 89, 107

HSL

205,1, 25,1%, 33,5%

HSV

205,1, 40,2%, 42,0%

CMYK

40,2%, 16,8%, 0,0%, 58,0%

OKLCH

0,4512 0,0423 240,2

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#40596B

#6B5240

Analogous

#406B67

#40436B

#40596B

Triadic

#40596B

#6B4059

#596B40

Split Complementary

#40596B

#6B4043

#6B6740

Tetradic

#40596B

#67406B

#6B5240

#436B40

Color Blindness Simulation

Original

#40596B

Protanopia

#4B4B67

Deuteranopia

#494866

Tritanopia

#416362

Achromatopsia

#555555

CSS Usage

background-color: #40596B;
color: #40596B;
border-color: #40596B;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D2DDE4
300
#B2C4D1
400
#89A5B8
500
#5F85A0
600
#4C6A80
700
#3D5566
800
#304250
900
#26323B
950
#182026

Contrast Checker

Text on white

7,34:1

AA Pass AAA Pass

Text on black

2,86:1

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