#231F72

#231F72

Color Values

HEX

#231F72

RGB

35, 31, 114

HSL

242.9, 57.2%, 28.4%

HSV

242.9, 72.8%, 44.7%

CMYK

69.3%, 72.8%, 0.0%, 55.3%

OKLCH

0.307 0.1369 276.8

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#231F72

#6E721F

Analogous

#1F4472

#4C1F72

#231F72

Triadic

#231F72

#72231F

#1F7223

Split Complementary

#231F72

#724C1F

#44721F

Tetradic

#231F72

#721F44

#6E721F

#1F724C

Color Blindness Simulation

Original

#231F72

Protanopia

#21215E

Deuteranopia

#222259

Tritanopia

#234E4B

Achromatopsia

#262626

CSS Usage

background-color: #231F72;
color: #231F72;
border-color: #231F72;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E4F6
200
#C9C7F0
300
#A29FE5
400
#706BD7
500
#3E37C8
600
#312CA0
700
#272380
800
#1F1B64
900
#1A1849
950
#100F2E

Contrast Checker

Text on white

13.9:1

AA Pass AAA Pass

Text on black

1.51:1

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