#23237C

#23237C

Color Values

HEX

#23237C

RGB

35, 35, 124

HSL

240.0, 56.0%, 31.2%

HSV

240.0, 71.8%, 48.6%

CMYK

71.8%, 71.8%, 0.0%, 51.4%

OKLCH

0.3241 0.1457 274.6

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#23237C

#7C7C23

Analogous

#23507C

#50237C

#23237C

Triadic

#23237C

#7C2323

#237C23

Split Complementary

#23237C

#7C5023

#507C23

Tetradic

#23237C

#7C2350

#7C7C23

#237C50

Color Blindness Simulation

Original

#23237C

Protanopia

#232366

Deuteranopia

#232361

Tritanopia

#235552

Achromatopsia

#292929

CSS Usage

background-color: #23237C;
color: #23237C;
border-color: #23237C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E5F6
200
#C7C7EF
300
#A0A0E4
400
#6C6CD5
500
#3838C7
600
#2D2D9F
700
#24247F
800
#1C1C63
900
#181849
950
#0F0F2E

Contrast Checker

Text on white

13.1:1

AA Pass AAA Pass

Text on black

1.6:1

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