#151F74

#151F74

Color Values

HEX

#151F74

RGB

21, 31, 116

HSL

233,7, 69,3%, 26,9%

HSV

233,7, 81,9%, 45,5%

CMYK

81,9%, 73,3%, 0,0%, 54,5%

OKLCH

0,3003 0,1434 269,5

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#151F74

#746A15

Analogous

#154F74

#3B1574

#151F74

Triadic

#151F74

#74151F

#1F7415

Split Complementary

#151F74

#743B15

#4F7415

Tetradic

#151F74

#74154F

#746A15

#15743B

Color Blindness Simulation

Original

#151F74

Protanopia

#19195F

Deuteranopia

#19185A

Tritanopia

#164F4C

Achromatopsia

#232323

CSS Usage

background-color: #151F74;
color: #151F74;
border-color: #151F74;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F3F4FC
100
#E3E5F8
200
#C3C8F4
300
#97A0EC
400
#5F6DE2
500
#273AD8
600
#1F2EAD
700
#19258A
800
#141D6C
900
#12194F
950
#0C1032

Contrast Checker

Text on white

14,19:1

AA Pass AAA Pass

Text on black

1,48:1

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