#151CB2

#151CB2

Color Values

HEX

#151CB2

RGB

21, 28, 178

HSL

237,3, 78,9%, 39,0%

HSV

237,3, 88,2%, 69,8%

CMYK

88,2%, 84,3%, 0,0%, 30,2%

OKLCH

0,3703 0,222 267,3

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#151CB2

#B2AB15

Analogous

#156BB2

#5C15B2

#151CB2

Triadic

#151CB2

#B2151C

#1CB215

Split Complementary

#151CB2

#B25C15

#6BB215

Tetradic

#151CB2

#B2156B

#B2AB15

#15B25C

Color Blindness Simulation

Original

#151CB2

Protanopia

#18188E

Deuteranopia

#181785

Tritanopia

#15716B

Achromatopsia

#252525

CSS Usage

background-color: #151CB2;
color: #151CB2;
border-color: #151CB2;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F3FC
100
#E1E2F9
200
#BFC2F7
300
#9296F2
400
#565DEB
500
#1B24E4
600
#161DB6
700
#111792
800
#0D1272
900
#0E1153
950
#090B34

Contrast Checker

Text on white

11,41:1

AA Pass AAA Pass

Text on black

1,84:1

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