#151D44

#151D44

Color Values

HEX

#151D44

RGB

21, 29, 68

HSL

229,8, 52,8%, 17,5%

HSV

229,8, 69,1%, 26,7%

CMYK

69,1%, 57,4%, 0,0%, 73,3%

OKLCH

0,2483 0,0739 271,3

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#151D44

#443C15

Analogous

#153544

#251544

#151D44

Triadic

#151D44

#44151D

#1D4415

Split Complementary

#151D44

#442515

#354415

Tetradic

#151D44

#441535

#443C15

#154425

Color Blindness Simulation

Original

#151D44

Protanopia

#18193B

Deuteranopia

#181738

Tritanopia

#153331

Achromatopsia

#1E1E1E

CSS Usage

background-color: #151D44;
color: #151D44;
border-color: #151D44;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F5FB
100
#E5E8F5
200
#C8CFEE
300
#A1ACE2
400
#6F80D2
500
#3C53C3
600
#30429C
700
#27357D
800
#1E2A61
900
#192147
950
#10152D

Contrast Checker

Text on white

16,27:1

AA Pass AAA Pass

Text on black

1,29:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Oca 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Oca 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Oca 15, 2026