#231E88

#231E88

Color Values

HEX

#231E88

RGB

35, 30, 136

HSL

242.8, 63.9%, 32.5%

HSV

242.8, 77.9%, 53.3%

CMYK

74.3%, 77.9%, 0.0%, 46.7%

OKLCH

0.3293 0.1669 274.3

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#231E88

#83881E

Analogous

#1E4E88

#581E88

#231E88

Triadic

#231E88

#88231E

#1E8823

Split Complementary

#231E88

#88581E

#4E881E

Tetradic

#231E88

#881E4E

#83881E

#1E8858

Color Blindness Simulation

Original

#231E88

Protanopia

#21216E

Deuteranopia

#212268

Tritanopia

#235A56

Achromatopsia

#272727

CSS Usage

background-color: #231E88;
color: #231E88;
border-color: #231E88;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F3FC
100
#E4E3F7
200
#C7C4F2
300
#9E9BE9
400
#6A64DD
500
#362ED1
600
#2B25A7
700
#221D86
800
#1B1768
900
#17154C
950
#0F0D30

Contrast Checker

Text on white

13.02:1

AA Pass AAA Pass

Text on black

1.61:1

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