#2B309C

#2B309C

Color Values

HEX

#2B309C

RGB

43, 48, 156

HSL

237,3, 56,8%, 39,0%

HSV

237,3, 72,4%, 61,2%

CMYK

72,4%, 69,2%, 0,0%, 38,8%

OKLCH

0,3835 0,1712 272,9

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#2B309C

#9C972B

Analogous

#2B699C

#5E2B9C

#2B309C

Triadic

#2B309C

#9C2B30

#309C2B

Split Complementary

#2B309C

#9C5E2B

#699C2B

Tetradic

#2B309C

#9C2B69

#9C972B

#2B9C5E

Color Blindness Simulation

Original

#2B309C

Protanopia

#2D2D82

Deuteranopia

#2D2C7C

Tritanopia

#2B6D69

Achromatopsia

#373737

CSS Usage

background-color: #2B309C;
color: #2B309C;
border-color: #2B309C;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E5F6
200
#C7C9F0
300
#9FA2E5
400
#6B70D6
500
#373EC8
600
#2C31A0
700
#232780
800
#1C1F64
900
#181A49
950
#0F102E

Contrast Checker

Text on white

10,47:1

AA Pass AAA Pass

Text on black

2,01:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Янв 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Янв 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Янв 15, 2026