#151A8B

#151A8B

Color Values

HEX

#151A8B

RGB

21, 26, 139

HSL

237.5, 73.8%, 31.4%

HSV

237.5, 84.9%, 54.5%

CMYK

84.9%, 81.3%, 0.0%, 45.5%

OKLCH

0.3195 0.1781 269.0

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#151A8B

#8B8615

Analogous

#15558B

#4B158B

#151A8B

Triadic

#151A8B

#8B151A

#1A8B15

Split Complementary

#151A8B

#8B4B15

#558B15

Tetradic

#151A8B

#8B1555

#8B8615

#158B4B

Color Blindness Simulation

Original

#151A8B

Protanopia

#171770

Deuteranopia

#171669

Tritanopia

#155A55

Achromatopsia

#212121

CSS Usage

background-color: #151A8B;
color: #151A8B;
border-color: #151A8B;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E2E3F8
200
#C1C3F6
300
#9598EF
400
#5B61E6
500
#2129DE
600
#1B21B1
700
#151A8E
800
#11156F
900
#101351
950
#0A0C33

Contrast Checker

Text on white

13.53:1

AA Pass AAA Pass

Text on black

1.55:1

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