#3031BB

#3031BB

Color Values

HEX

#3031BB

RGB

48, 49, 187

HSL

239.6, 59.1%, 46.1%

HSV

239.6, 74.3%, 73.3%

CMYK

74.3%, 73.8%, 0.0%, 26.7%

OKLCH

0.4196 0.208 272.6

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3031BB

#BBBA30

Analogous

#3076BB

#7530BB

#3031BB

Triadic

#3031BB

#BB3031

#31BB30

Split Complementary

#3031BB

#BB7530

#76BB30

Tetradic

#3031BB

#BB3076

#BBBA30

#30BB75

Color Blindness Simulation

Original

#3031BB

Protanopia

#30309A

Deuteranopia

#303092

Tritanopia

#307F79

Achromatopsia

#3B3B3B

CSS Usage

background-color: #3031BB;
color: #3031BB;
border-color: #3031BB;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F4FB
100
#E4E4F6
200
#C6C6F0
300
#9E9EE6
400
#696AD8
500
#3435CB
600
#2A2BA2
700
#212282
800
#1A1B65
900
#17174A
950
#0E0F2F

Contrast Checker

Text on white

9.2:1

AA Pass AAA Pass

Text on black

2.28:1

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