#303186

#303186

Color Values

HEX

#303186

RGB

48, 49, 134

HSL

239.3, 47.3%, 35.7%

HSV

239.3, 64.2%, 52.5%

CMYK

64.2%, 63.4%, 0.0%, 47.5%

OKLCH

0.368 0.1387 276.6

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#303186

#868530

Analogous

#305C86

#5A3086

#303186

Triadic

#303186

#863031

#318630

Split Complementary

#303186

#865A30

#5C8630

Tetradic

#303186

#86305C

#868530

#30865A

Color Blindness Simulation

Original

#303186

Protanopia

#303071

Deuteranopia

#30306C

Tritanopia

#30615E

Achromatopsia

#373737

CSS Usage

background-color: #303186;
color: #303186;
border-color: #303186;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CACBEC
300
#A5A6DF
400
#7475CD
500
#4345BC
600
#363796
700
#2B2C78
800
#22225E
900
#1C1C45
950
#12122C

Contrast Checker

Text on white

11.0:1

AA Pass AAA Pass

Text on black

1.91:1

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