#213555

#213555

Color Values

HEX

#213555

RGB

33, 53, 85

HSL

216.9, 44.1%, 23.1%

HSV

216.9, 61.2%, 33.3%

CMYK

61.2%, 37.6%, 0.0%, 66.7%

OKLCH

0.3287 0.0627 259.4

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#213555

#554121

Analogous

#214F55

#272155

#213555

Triadic

#213555

#552135

#355521

Split Complementary

#213555

#552721

#4F5521

Tetradic

#213555

#55214F

#554121

#215527

Color Blindness Simulation

Original

#213555

Protanopia

#2A2A4D

Deuteranopia

#28274B

Tritanopia

#224746

Achromatopsia

#333333

CSS Usage

background-color: #213555;
color: #213555;
border-color: #213555;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CCD8EB
300
#A7BCDD
400
#7797CA
500
#4773B8
600
#395C93
700
#2E4976
800
#24395C
900
#1D2C44
950
#121C2B

Contrast Checker

Text on white

12.32:1

AA Pass AAA Pass

Text on black

1.71:1

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