#5B708F

#5B708F

Color Values

HEX

#5B708F

RGB

91, 112, 143

HSL

215.8, 22.2%, 45.9%

HSV

215.8, 36.4%, 56.1%

CMYK

36.4%, 21.7%, 0.0%, 43.9%

OKLCH

0.5405 0.0549 258.0

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#5B708F

#8F7A5B

Analogous

#5B8A8F

#605B8F

#5B708F

Triadic

#5B708F

#8F5B70

#708F5B

Split Complementary

#5B708F

#8F605B

#8A8F5B

Tetradic

#5B708F

#8F5B8A

#8F7A5B

#5B8F60

Color Blindness Simulation

Original

#5B708F

Protanopia

#646488

Deuteranopia

#636186

Tritanopia

#5C8280

Achromatopsia

#6E6E6E

CSS Usage

background-color: #5B708F;
color: #5B708F;
border-color: #5B708F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAECF1
200
#D3DAE3
300
#B4BFCF
400
#8C9DB6
500
#637A9C
600
#4F627D
700
#3F4E64
800
#323D4E
900
#272F3A
950
#181D25

Contrast Checker

Text on white

5.05:1

AA Pass AAA Fail

Text on black

4.16:1

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