#223D55

#223D55

Color Values

HEX

#223D55

RGB

34, 61, 85

HSL

208.2, 42.9%, 23.3%

HSV

208.2, 60.0%, 33.3%

CMYK

60.0%, 28.2%, 0.0%, 66.7%

OKLCH

0.3501 0.0536 246.8

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#223D55

#553A22

Analogous

#225553

#222355

#223D55

Triadic

#223D55

#55223D

#3D5522

Split Complementary

#223D55

#552223

#555322

Tetradic

#223D55

#532255

#553A22

#235522

Color Blindness Simulation

Original

#223D55

Protanopia

#2E2E4F

Deuteranopia

#2C2A4E

Tritanopia

#234B4A

Achromatopsia

#393939

CSS Usage

background-color: #223D55;
color: #223D55;
border-color: #223D55;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E7EEF4
200
#CCDCEB
300
#A8C3DC
400
#78A3C9
500
#4983B6
600
#3A6992
700
#2F5475
800
#24415B
900
#1E3243
950
#131F2A

Contrast Checker

Text on white

11.25:1

AA Pass AAA Pass

Text on black

1.87:1

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