#1D365F

#1D365F

Color Values

HEX

#1D365F

RGB

29, 54, 95

HSL

217.3, 53.2%, 24.3%

HSV

217.3, 69.5%, 37.3%

CMYK

69.5%, 43.2%, 0.0%, 62.7%

OKLCH

0.3356 0.079 259.8

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#1D365F

#5F461D

Analogous

#1D575F

#251D5F

#1D365F

Triadic

#1D365F

#5F1D36

#365F1D

Split Complementary

#1D365F

#5F251D

#575F1D

Tetradic

#1D365F

#5F1D57

#5F461D

#1D5F25

Color Blindness Simulation

Original

#1D365F

Protanopia

#282855

Deuteranopia

#262453

Tritanopia

#1E4D4C

Achromatopsia

#343434

CSS Usage

background-color: #1D365F;
color: #1D365F;
border-color: #1D365F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F7FB
100
#E5EBF5
200
#C8D7EE
300
#A1BAE2
400
#6E94D3
500
#3C6FC3
600
#30599C
700
#26477D
800
#1E3762
900
#192B48
950
#101B2D

Contrast Checker

Text on white

12.03:1

AA Pass AAA Pass

Text on black

1.75:1

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