#183E70

#183E70

Color Values

HEX

#183E70

RGB

24, 62, 112

HSL

214.1, 64.7%, 26.7%

HSV

214.1, 78.6%, 43.9%

CMYK

78.6%, 44.6%, 0.0%, 56.1%

OKLCH

0.3652 0.0965 256.5

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#183E70

#704A18

Analogous

#186A70

#1E1870

#183E70

Triadic

#183E70

#70183E

#3E7018

Split Complementary

#183E70

#701E18

#6A7018

Tetradic

#183E70

#70186A

#704A18

#18701E

Color Blindness Simulation

Original

#183E70

Protanopia

#282964

Deuteranopia

#262361

Tritanopia

#1A5A58

Achromatopsia

#3A3A3A

CSS Usage

background-color: #183E70;
color: #183E70;
border-color: #183E70;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F3F7FC
100
#E3ECF7
200
#C4D8F2
300
#9ABCE9
400
#6498DE
500
#2D74D2
600
#245DA8
700
#1D4A86
800
#173A69
900
#142D4D
950
#0D1C30

Contrast Checker

Text on white

10.7:1

AA Pass AAA Pass

Text on black

1.96:1

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