#39455B

#39455B

Color Values

HEX

#39455B

RGB

57, 69, 91

HSL

218,8, 23,0%, 29,0%

HSV

218,8, 37,4%, 35,7%

CMYK

37,4%, 24,2%, 0,0%, 64,3%

OKLCH

0,3892 0,0408 262,3

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#39455B

#5B4F39

Analogous

#39565B

#3E395B

#39455B

Triadic

#39455B

#5B3945

#455B39

Split Complementary

#39455B

#5B3E39

#565B39

Tetradic

#39455B

#5B3956

#5B4F39

#395B3E

Color Blindness Simulation

Original

#39455B

Protanopia

#3E3E56

Deuteranopia

#3E3D54

Tritanopia

#3A5151

Achromatopsia

#444444

CSS Usage

background-color: #39455B;
color: #39455B;
border-color: #39455B;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#EAECF1
200
#D3D9E4
300
#B4BED0
400
#8B9AB6
500
#62779D
600
#4F5F7D
700
#3F4C64
800
#313B4E
900
#262E3A
950
#181D25

Contrast Checker

Text on white

9,65:1

AA Pass AAA Pass

Text on black

2,18:1

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