#23237B

#23237B

Color Values

HEX

#23237B

RGB

35, 35, 123

HSL

240.0, 55.7%, 31.0%

HSV

240.0, 71.5%, 48.2%

CMYK

71.5%, 71.5%, 0.0%, 51.8%

OKLCH

0.3231 0.1444 274.7

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#23237B

#7B7B23

Analogous

#234F7B

#4F237B

#23237B

Triadic

#23237B

#7B2323

#237B23

Split Complementary

#23237B

#7B4F23

#4F7B23

Tetradic

#23237B

#7B234F

#7B7B23

#237B4F

Color Blindness Simulation

Original

#23237B

Protanopia

#232366

Deuteranopia

#232361

Tritanopia

#235551

Achromatopsia

#292929

CSS Usage

background-color: #23237B;
color: #23237B;
border-color: #23237B;
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

13.14:1

AA Pass AAA Pass

Text on black

1.6:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026