#30318C

#30318C

Color Values

HEX

#30318C

RGB

48, 49, 140

HSL

239.3, 48.9%, 36.9%

HSV

239.3, 65.7%, 54.9%

CMYK

65.7%, 65.0%, 0.0%, 45.1%

OKLCH

0.3734 0.1471 276.1

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#30318C

#8C8B30

Analogous

#305F8C

#5D308C

#30318C

Triadic

#30318C

#8C3031

#318C30

Split Complementary

#30318C

#8C5D30

#5F8C30

Tetradic

#30318C

#8C305F

#8C8B30

#308C5D

Color Blindness Simulation

Original

#30318C

Protanopia

#303076

Deuteranopia

#303071

Tritanopia

#306561

Achromatopsia

#373737

CSS Usage

background-color: #30318C;
color: #30318C;
border-color: #30318C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CACAED
300
#A4A5E0
400
#7374CF
500
#4143BE
600
#343598
700
#2A2B7A
800
#21215F
900
#1B1C46
950
#11112C

Contrast Checker

Text on white

10.8:1

AA Pass AAA Pass

Text on black

1.94:1

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