#183554

#183554

Color Values

HEX

#183554

RGB

24, 53, 84

HSL

211.0, 55.6%, 21.2%

HSV

211.0, 71.4%, 32.9%

CMYK

71.4%, 36.9%, 0.0%, 67.1%

OKLCH

0.3231 0.0657 251.9

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#183554

#543718

Analogous

#185354

#191854

#183554

Triadic

#183554

#541835

#355418

Split Complementary

#183554

#541918

#535418

Tetradic

#183554

#541853

#543718

#185419

Color Blindness Simulation

Original

#183554

Protanopia

#25254D

Deuteranopia

#23214B

Tritanopia

#194745

Achromatopsia

#313131

CSS Usage

background-color: #183554;
color: #183554;
border-color: #183554;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E5EDF6
200
#C7DBEF
300
#A0C1E4
400
#6C9FD5
500
#397DC6
600
#2D649F
700
#24507F
800
#1C3F63
900
#183049
950
#0F1E2E

Contrast Checker

Text on white

12.53:1

AA Pass AAA Pass

Text on black

1.68:1

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