#231F85

#231F85

Color Values

HEX

#231F85

RGB

35, 31, 133

HSL

242.4, 62.2%, 32.2%

HSV

242.4, 76.7%, 52.2%

CMYK

73.7%, 76.7%, 0.0%, 47.8%

OKLCH

0.3274 0.1621 274.4

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#231F85

#81851F

Analogous

#1F4E85

#561F85

#231F85

Triadic

#231F85

#85231F

#1F8523

Split Complementary

#231F85

#85561F

#4E851F

Tetradic

#231F85

#851F4E

#81851F

#1F8556

Color Blindness Simulation

Original

#231F85

Protanopia

#21216C

Deuteranopia

#222266

Tritanopia

#235955

Achromatopsia

#272727

CSS Usage

background-color: #231F85;
color: #231F85;
border-color: #231F85;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F3FB
100
#E4E4F7
200
#C7C5F2
300
#9F9CE8
400
#6B66DB
500
#3730CF
600
#2C27A5
700
#231F84
800
#1B1867
900
#17154C
950
#0F0D30

Contrast Checker

Text on white

13.07:1

AA Pass AAA Pass

Text on black

1.61:1

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