#3A5263

#3A5263

Color Values

HEX

#3A5263

RGB

58, 82, 99

HSL

204.9, 26.1%, 30.8%

HSV

204.9, 41.4%, 38.8%

CMYK

41.4%, 17.2%, 0.0%, 61.2%

OKLCH

0.4261 0.0408 239.8

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3A5263

#634B3A

Analogous

#3A6360

#3A3E63

#3A5263

Triadic

#3A5263

#633A52

#52633A

Split Complementary

#3A5263

#633A3E

#63603A

Tetradic

#3A5263

#603A63

#634B3A

#3E633A

Color Blindness Simulation

Original

#3A5263

Protanopia

#44455F

Deuteranopia

#43415E

Tritanopia

#3B5C5B

Achromatopsia

#4E4E4E

CSS Usage

background-color: #3A5263;
color: #3A5263;
border-color: #3A5263;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D2DDE5
300
#B2C5D2
400
#88A5B9
500
#5E85A1
600
#4B6B81
700
#3C5567
800
#2F4350
900
#25323C
950
#172026

Contrast Checker

Text on white

8.18:1

AA Pass AAA Pass

Text on black

2.57:1

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