#3A287F

#3A287F

Color Values

HEX

#3A287F

RGB

58, 40, 127

HSL

252.4, 52.1%, 32.7%

HSV

252.4, 68.5%, 49.8%

CMYK

54.3%, 68.5%, 0.0%, 50.2%

OKLCH

0.3545 0.1393 286.4

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#3A287F

#6D7F28

Analogous

#28417F

#65287F

#3A287F

Triadic

#3A287F

#7F3A28

#287F3A

Split Complementary

#3A287F

#7F6528

#417F28

Tetradic

#3A287F

#7F2841

#6D7F28

#287F65

Color Blindness Simulation

Original

#3A287F

Protanopia

#32326A

Deuteranopia

#333565

Tritanopia

#395956

Achromatopsia

#323232

CSS Usage

background-color: #3A287F;
color: #3A287F;
border-color: #3A287F;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FB
100
#E9E5F5
200
#D0C9EE
300
#AFA2E2
400
#846FD2
500
#593DC2
600
#47319B
700
#39277C
800
#2C1F61
900
#231A47
950
#16102D

Contrast Checker

Text on white

11.73:1

AA Pass AAA Pass

Text on black

1.79:1

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