#231F5F

#231F5F

Color Values

HEX

#231F5F

RGB

35, 31, 95

HSL

243.8, 50.8%, 24.7%

HSV

243.8, 67.4%, 37.3%

CMYK

63.2%, 67.4%, 0.0%, 62.7%

OKLCH

0.2882 0.1098 279.8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#231F5F

#5B5F1F

Analogous

#1F3B5F

#431F5F

#231F5F

Triadic

#231F5F

#5F231F

#1F5F23

Split Complementary

#231F5F

#5F431F

#3B5F1F

Tetradic

#231F5F

#5F1F3B

#5B5F1F

#1F5F43

Color Blindness Simulation

Original

#231F5F

Protanopia

#212150

Deuteranopia

#22224C

Tritanopia

#234341

Achromatopsia

#242424

CSS Usage

background-color: #231F5F;
color: #231F5F;
border-color: #231F5F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CBC9ED
300
#A7A3E1
400
#7771D1
500
#473FC0
600
#39329A
700
#2D287B
800
#231F60
900
#1D1A47
950
#12112D

Contrast Checker

Text on white

14.66:1

AA Pass AAA Pass

Text on black

1.43:1

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