#183948

#183948

Color Values

HEX

#183948

RGB

24, 57, 72

HSL

198.8, 50.0%, 18.8%

HSV

198.8, 66.7%, 28.2%

CMYK

66.7%, 20.8%, 0.0%, 71.8%

OKLCH

0.327 0.0467 230.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#183948

#482718

Analogous

#18483F

#182148

#183948

Triadic

#183948

#481839

#394818

Split Complementary

#183948

#481821

#483F18

Tetradic

#183948

#3F1848

#482718

#214818

Color Blindness Simulation

Original

#183948

Protanopia

#262744

Deuteranopia

#242244

Tritanopia

#1A4241

Achromatopsia

#333333

CSS Usage

background-color: #183948;
color: #183948;
border-color: #183948;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F4F9FB
100
#E6F0F5
200
#C9E2ED
300
#A3CDE0
400
#71B2D0
500
#4097BF
600
#337999
700
#29617A
800
#204C60
900
#1B3946
950
#11242C

Contrast Checker

Text on white

12.23:1

AA Pass AAA Pass

Text on black

1.72:1

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