#231D8B

#231D8B

Color Values

HEX

#231D8B

RGB

35, 29, 139

HSL

243.3, 65.5%, 32.9%

HSV

243.3, 79.1%, 54.5%

CMYK

74.8%, 79.1%, 0.0%, 45.5%

OKLCH

0.3314 0.1716 274.1

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#231D8B

#858B1D

Analogous

#1D4E8B

#5A1D8B

#231D8B

Triadic

#231D8B

#8B231D

#1D8B23

Split Complementary

#231D8B

#8B5A1D

#4E8B1D

Tetradic

#231D8B

#8B1D4E

#858B1D

#1D8B5A

Color Blindness Simulation

Original

#231D8B

Protanopia

#202070

Deuteranopia

#21216A

Tritanopia

#235B57

Achromatopsia

#262626

CSS Usage

background-color: #231D8B;
color: #231D8B;
border-color: #231D8B;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F3FC
100
#E4E3F7
200
#C6C4F3
300
#9E9AEA
400
#6A63DE
500
#352CD3
600
#2B23A9
700
#221C87
800
#1B166A
900
#17144D
950
#0F0D31

Contrast Checker

Text on white

12.96:1

AA Pass AAA Pass

Text on black

1.62:1

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