#002259

#002259

Color Values

HEX

#002259

RGB

0, 34, 89

HSL

217.1, 100.0%, 17.5%

HSV

217.1, 100.0%, 34.9%

CMYK

100.0%, 61.8%, 0.0%, 65.1%

OKLCH

0.2698 0.1067 259.4

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#002259

#593700

Analogous

#004F59

#0B0059

#002259

Triadic

#002259

#590022

#225900

Split Complementary

#002259

#590B00

#4F5900

Tetradic

#002259

#59004F

#593700

#00590B

Color Blindness Simulation

Original

#002259

Protanopia

#0F0F4C

Deuteranopia

#0D0A48

Tritanopia

#02413F

Achromatopsia

#1F1F1F

CSS Usage

background-color: #002259;
color: #002259;
border-color: #002259;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F1F6FE
100
#DEEAFC
200
#B8D3FF
300
#85B3FF
400
#428AFF
500
#0061FF
600
#004ECC
700
#003EA3
800
#003180
900
#05265C
950
#03183A

Contrast Checker

Text on white

15.29:1

AA Pass AAA Pass

Text on black

1.37:1

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