#2155A3

#2155A3

Color Values

HEX

#2155A3

RGB

33, 85, 163

HSL

216.0, 66.3%, 38.4%

HSV

216.0, 79.8%, 63.9%

CMYK

79.8%, 47.9%, 0.0%, 36.1%

OKLCH

0.4594 0.1378 258.7

Properties

Cool Dark Nearest: NCS S 2060-B Deep Blue

Color Harmonies

Complementary

#2155A3

#A36F21

Analogous

#2196A3

#2E21A3

#2155A3

Triadic

#2155A3

#A32155

#55A321

Split Complementary

#2155A3

#A32E21

#96A321

Tetradic

#2155A3

#A32196

#A36F21

#21A32E

Color Blindness Simulation

Original

#2155A3

Protanopia

#383890

Deuteranopia

#34318C

Tritanopia

#24817E

Achromatopsia

#505050

CSS Usage

background-color: #2155A3;
color: #2155A3;
border-color: #2155A3;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FC
100
#E3EBF7
200
#C4D7F3
300
#99BAEA
400
#6294DF
500
#2B6FD4
600
#2258AA
700
#1B4788
800
#15376A
900
#142B4D
950
#0C1B31

Contrast Checker

Text on white

7.26:1

AA Pass AAA Pass

Text on black

2.89:1

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