#182D5F

#182D5F

Color Values

HEX

#182D5F

RGB

24, 45, 95

HSL

222.3, 59.7%, 23.3%

HSV

222.3, 74.7%, 37.3%

CMYK

74.7%, 52.6%, 0.0%, 62.7%

OKLCH

0.3109 0.0931 264.5

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#182D5F

#5F4A18

Analogous

#18505F

#26185F

#182D5F

Triadic

#182D5F

#5F182D

#2D5F18

Split Complementary

#182D5F

#5F2618

#505F18

Tetradic

#182D5F

#5F1850

#5F4A18

#185F26

Color Blindness Simulation

Original

#182D5F

Protanopia

#212153

Deuteranopia

#201E50

Tritanopia

#194947

Achromatopsia

#2C2C2C

CSS Usage

background-color: #182D5F;
color: #182D5F;
border-color: #182D5F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F3F6FB
100
#E4E9F6
200
#C6D3F1
300
#9DB3E6
400
#688AD9
500
#3360CC
600
#294DA3
700
#213E82
800
#1A3066
900
#16264A
950
#0E182F

Contrast Checker

Text on white

13.3:1

AA Pass AAA Pass

Text on black

1.58:1

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