#312F8D

#312F8D

Color Values

HEX

#312F8D

RGB

49, 47, 141

HSL

241.3, 50.0%, 36.9%

HSV

241.3, 66.7%, 55.3%

CMYK

65.2%, 66.7%, 0.0%, 44.7%

OKLCH

0.3715 0.1508 277.1

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#312F8D

#8B8D2F

Analogous

#2F5C8D

#602F8D

#312F8D

Triadic

#312F8D

#8D312F

#2F8D31

Split Complementary

#312F8D

#8D602F

#5C8D2F

Tetradic

#312F8D

#8D2F5C

#8B8D2F

#2F8D60

Color Blindness Simulation

Original

#312F8D

Protanopia

#303076

Deuteranopia

#303071

Tritanopia

#316460

Achromatopsia

#363636

CSS Usage

background-color: #312F8D;
color: #312F8D;
border-color: #312F8D;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CAC9ED
300
#A5A3E0
400
#7471D0
500
#4340BF
600
#353399
700
#2B297A
800
#212060
900
#1C1B46
950
#11112C

Contrast Checker

Text on white

10.93:1

AA Pass AAA Pass

Text on black

1.92:1

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