#151D7B

#151D7B

Color Values

HEX

#151D7B

RGB

21, 29, 123

HSL

235,3, 70,8%, 28,2%

HSV

235,3, 82,9%, 48,2%

CMYK

82,9%, 76,4%, 0,0%, 51,8%

OKLCH

0,3049 0,155 269,5

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#151D7B

#7B7315

Analogous

#15507B

#40157B

#151D7B

Triadic

#151D7B

#7B151D

#1D7B15

Split Complementary

#151D7B

#7B4015

#507B15

Tetradic

#151D7B

#7B1550

#7B7315

#157B40

Color Blindness Simulation

Original

#151D7B

Protanopia

#181964

Deuteranopia

#18175F

Tritanopia

#15524E

Achromatopsia

#222222

CSS Usage

background-color: #151D7B;
color: #151D7B;
border-color: #151D7B;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F3F3FC
100
#E2E4F8
200
#C2C6F5
300
#969DED
400
#5E68E3
500
#2533DA
600
#1E29AE
700
#18218B
800
#131A6D
900
#12164F
950
#0B0E32

Contrast Checker

Text on white

14,06:1

AA Pass AAA Pass

Text on black

1,49:1

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