#231DA9

#231DA9

Color Values

HEX

#231DA9

RGB

35, 29, 169

HSL

242.6, 70.7%, 38.8%

HSV

242.6, 82.8%, 66.3%

CMYK

79.3%, 82.8%, 0.0%, 33.7%

OKLCH

0.3665 0.2076 271.4

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#231DA9

#A3A91D

Analogous

#1D5DA9

#691DA9

#231DA9

Triadic

#231DA9

#A9231D

#1DA923

Split Complementary

#231DA9

#A9691D

#5DA91D

Tetradic

#231DA9

#A91D5D

#A3A91D

#1DA969

Color Blindness Simulation

Original

#231DA9

Protanopia

#202087

Deuteranopia

#21217F

Tritanopia

#236C66

Achromatopsia

#282828

CSS Usage

background-color: #231DA9;
color: #231DA9;
border-color: #231DA9;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E3E2F8
200
#C4C2F5
300
#9A97ED
400
#645EE3
500
#2D25DA
600
#241EAE
700
#1D188B
800
#17136D
900
#14124F
950
#0D0B32

Contrast Checker

Text on white

11.54:1

AA Pass AAA Pass

Text on black

1.82:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026