#5B91C3

#5B91C3

Color Values

HEX

#5B91C3

RGB

91, 145, 195

HSL

208.8, 46.4%, 56.1%

HSV

208.8, 53.3%, 76.5%

CMYK

53.3%, 25.6%, 0.0%, 23.5%

OKLCH

0.6397 0.095 247.7

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#5B91C3

#C38D5B

Analogous

#5BC3C1

#5B5DC3

#5B91C3

Triadic

#5B91C3

#C35B91

#91C35B

Split Complementary

#5B91C3

#C35B5D

#C3C15B

Tetradic

#5B91C3

#C15BC3

#C38D5B

#5DC35B

Color Blindness Simulation

Original

#5B91C3

Protanopia

#7273B7

Deuteranopia

#6F6BB4

Tritanopia

#5EADAB

Achromatopsia

#898989

CSS Usage

background-color: #5B91C3;
color: #5B91C3;
border-color: #5B91C3;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDCEC
300
#A5C3DE
400
#75A2CC
500
#4482BB
600
#376895
700
#2C5377
800
#22415D
900
#1C3145
950
#121F2B

Contrast Checker

Text on white

3.34:1

AA Fail AAA Fail

Text on black

6.28:1

AA Pass 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