#231CB5

#231CB5

Color Values

HEX

#231CB5

RGB

35, 28, 181

HSL

242.7, 73.2%, 41.0%

HSV

242.7, 84.5%, 71.0%

CMYK

80.7%, 84.5%, 0.0%, 29.0%

OKLCH

0.3799 0.2219 270.6

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#231CB5

#AEB51C

Analogous

#1C62B5

#6F1CB5

#231CB5

Triadic

#231CB5

#B5231C

#1CB523

Split Complementary

#231CB5

#B56F1C

#62B51C

Tetradic

#231CB5

#B51C62

#AEB51C

#1CB56F

Color Blindness Simulation

Original

#231CB5

Protanopia

#202090

Deuteranopia

#202187

Tritanopia

#23736C

Achromatopsia

#292929

CSS Usage

background-color: #231CB5;
color: #231CB5;
border-color: #231CB5;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E3E2F8
200
#C4C1F5
300
#9995EF
400
#625CE6
500
#2B22DD
600
#221BB1
700
#1B168D
800
#15116E
900
#131150
950
#0C0A33

Contrast Checker

Text on white

11.02:1

AA Pass AAA Pass

Text on black

1.9:1

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