#151C46

#151C46

Color Values

HEX

#151C46

RGB

21, 28, 70

HSL

231,4, 53,8%, 17,8%

HSV

231,4, 70,0%, 27,5%

CMYK

70,0%, 60,0%, 0,0%, 72,5%

OKLCH

0,2477 0,0788 272,2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#151C46

#463F15

Analogous

#153446

#261546

#151C46

Triadic

#151C46

#46151C

#1C4615

Split Complementary

#151C46

#462615

#344615

Tetradic

#151C46

#461534

#463F15

#154626

Color Blindness Simulation

Original

#151C46

Protanopia

#18183C

Deuteranopia

#181739

Tritanopia

#153432

Achromatopsia

#1E1E1E

CSS Usage

background-color: #151C46;
color: #151C46;
border-color: #151C46;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F5FB
100
#E5E7F5
200
#C8CEEF
300
#A1AAE3
400
#6E7CD3
500
#3B4FC4
600
#2F3F9D
700
#26327E
800
#1D2762
900
#192048
950
#10142D

Contrast Checker

Text on white

16,32:1

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

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