#18304D

#18304D

Color Values

HEX

#18304D

RGB

24, 48, 77

HSL

212.8, 52.5%, 19.8%

HSV

212.8, 68.8%, 30.2%

CMYK

68.8%, 37.7%, 0.0%, 69.8%

OKLCH

0.3053 0.0608 254.2

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#18304D

#4D3518

Analogous

#184B4D

#1A184D

#18304D

Triadic

#18304D

#4D1830

#304D18

Split Complementary

#18304D

#4D1A18

#4B4D18

Tetradic

#18304D

#4D184B

#4D3518

#184D1A

Color Blindness Simulation

Original

#18304D

Protanopia

#222346

Deuteranopia

#211F44

Tritanopia

#19403F

Achromatopsia

#2D2D2D

CSS Usage

background-color: #18304D;
color: #18304D;
border-color: #18304D;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C9DAEE
300
#A2BFE2
400
#6F9CD2
500
#3D79C2
600
#30619C
700
#274E7C
800
#1E3D61
900
#1A2E47
950
#101D2D

Contrast Checker

Text on white

13.39:1

AA Pass AAA Pass

Text on black

1.57:1

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