#231E65

#231E65

Color Values

HEX

#231E65

RGB

35, 30, 101

HSL

244.2, 54.2%, 25.7%

HSV

244.2, 70.3%, 39.6%

CMYK

65.3%, 70.3%, 0.0%, 60.4%

OKLCH

0.2921 0.1199 279.1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#231E65

#60651E

Analogous

#1E3D65

#471E65

#231E65

Triadic

#231E65

#65231E

#1E6523

Split Complementary

#231E65

#65471E

#3D651E

Tetradic

#231E65

#651E3D

#60651E

#1E6547

Color Blindness Simulation

Original

#231E65

Protanopia

#212154

Deuteranopia

#212250

Tritanopia

#234643

Achromatopsia

#242424

CSS Usage

background-color: #231E65;
color: #231E65;
border-color: #231E65;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CBC8EF
300
#A5A1E3
400
#756ED4
500
#443AC5
600
#362F9D
700
#2C257E
800
#221D62
900
#1C1948
950
#12102E

Contrast Checker

Text on white

14.53:1

AA Pass AAA Pass

Text on black

1.45:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026