#231F50

#231F50

Color Values

HEX

#231F50

RGB

35, 31, 80

HSL

244.9, 44.1%, 21.8%

HSV

244.9, 61.2%, 31.4%

CMYK

56.3%, 61.2%, 0.0%, 68.6%

OKLCH

0.2747 0.0868 282.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#231F50

#4C501F

Analogous

#1F3450

#3C1F50

#231F50

Triadic

#231F50

#50231F

#1F5023

Split Complementary

#231F50

#503C1F

#34501F

Tetradic

#231F50

#501F34

#4C501F

#1F503C

Color Blindness Simulation

Original

#231F50

Protanopia

#212144

Deuteranopia

#222241

Tritanopia

#233B39

Achromatopsia

#232323

CSS Usage

background-color: #231F50;
color: #231F50;
border-color: #231F50;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FA
100
#E8E6F4
200
#CECCEB
300
#ABA7DD
400
#7E77CA
500
#5047B8
600
#403993
700
#332E76
800
#28245C
900
#201D44
950
#14122B

Contrast Checker

Text on white

15.18:1

AA Pass AAA Pass

Text on black

1.38:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026