#312B85

#312B85

Color Values

HEX

#312B85

RGB

49, 43, 133

HSL

244.0, 51.1%, 34.5%

HSV

244.0, 67.7%, 52.2%

CMYK

63.2%, 67.7%, 0.0%, 47.8%

OKLCH

0.3571 0.1449 279.1

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#312B85

#7F852B

Analogous

#2B5285

#5E2B85

#312B85

Triadic

#312B85

#85312B

#2B8531

Split Complementary

#312B85

#855E2B

#52852B

Tetradic

#312B85

#852B52

#7F852B

#2B855E

Color Blindness Simulation

Original

#312B85

Protanopia

#2E2E6F

Deuteranopia

#2F2F6A

Tritanopia

#315E5A

Achromatopsia

#333333

CSS Usage

background-color: #312B85;
color: #312B85;
border-color: #312B85;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CBC9EE
300
#A7A3E1
400
#7770D1
500
#473EC1
600
#39329A
700
#2D287B
800
#241F60
900
#1D1A47
950
#12112D

Contrast Checker

Text on white

11.57:1

AA Pass AAA Pass

Text on black

1.81:1

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