#183043

#183043

Color Values

HEX

#183043

RGB

24, 48, 67

HSL

206.5, 47.3%, 17.8%

HSV

206.5, 64.2%, 26.3%

CMYK

64.2%, 28.4%, 0.0%, 73.7%

OKLCH

0.2992 0.0459 244.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#183043

#432B18

Analogous

#184340

#181A43

#183043

Triadic

#183043

#431830

#304318

Split Complementary

#183043

#43181A

#434018

Tetradic

#183043

#401843

#432B18

#1A4318

Color Blindness Simulation

Original

#183043

Protanopia

#22233E

Deuteranopia

#211F3D

Tritanopia

#193B3A

Achromatopsia

#2C2C2C

CSS Usage

background-color: #183043;
color: #183043;
border-color: #183043;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CADDEC
300
#A5C5DF
400
#74A6CD
500
#4387BC
600
#366C96
700
#2B5678
800
#22435E
900
#1C3345
950
#12202C

Contrast Checker

Text on white

13.61:1

AA Pass AAA Pass

Text on black

1.54:1

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