#425A63

#425A63

Color Values

HEX

#425A63

RGB

66, 90, 99

HSL

196.4, 20.0%, 32.4%

HSV

196.4, 33.3%, 38.8%

CMYK

33.3%, 9.1%, 0.0%, 61.2%

OKLCH

0.4516 0.0325 223.0

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#425A63

#634B42

Analogous

#42635C

#424A63

#425A63

Triadic

#425A63

#63425A

#5A6342

Split Complementary

#425A63

#63424A

#635C42

Tetradic

#425A63

#5C4263

#634B42

#4A6342

Color Blindness Simulation

Original

#425A63

Protanopia

#4C4D61

Deuteranopia

#4B4960

Tritanopia

#435F5F

Achromatopsia

#565656

CSS Usage

background-color: #425A63;
color: #425A63;
border-color: #425A63;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F9
100
#EAEFF0
200
#D4DFE2
300
#B6C7CE
400
#8EA9B4
500
#668B99
600
#526F7A
700
#415962
800
#33464D
900
#283439
950
#192124

Contrast Checker

Text on white

7.31:1

AA Pass AAA Pass

Text on black

2.87:1

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