#231D91

#231D91

Color Values

HEX

#231D91

RGB

35, 29, 145

HSL

243.1, 66.7%, 34.1%

HSV

243.1, 80.0%, 56.9%

CMYK

75.9%, 80.0%, 0.0%, 43.1%

OKLCH

0.3383 0.179 273.5

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#231D91

#8B911D

Analogous

#1D5191

#5D1D91

#231D91

Triadic

#231D91

#91231D

#1D9123

Split Complementary

#231D91

#915D1D

#51911D

Tetradic

#231D91

#911D51

#8B911D

#1D915D

Color Blindness Simulation

Original

#231D91

Protanopia

#202075

Deuteranopia

#21216E

Tritanopia

#235F5A

Achromatopsia

#272727

CSS Usage

background-color: #231D91;
color: #231D91;
border-color: #231D91;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E4E3F7
200
#C6C3F3
300
#9D99EB
400
#6862E0
500
#332AD5
600
#2922AA
700
#211B88
800
#1A156A
900
#16134E
950
#0E0C31

Contrast Checker

Text on white

12.68:1

AA Pass AAA Pass

Text on black

1.66:1

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