#231981

#231981

Color Values

HEX

#231981

RGB

35, 25, 129

HSL

245.8, 67.5%, 30.2%

HSV

245.8, 80.6%, 50.6%

CMYK

72.9%, 80.6%, 0.0%, 49.4%

OKLCH

0.3146 0.1629 275.8

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#231981

#778119

Analogous

#194381

#571981

#231981

Triadic

#231981

#812319

#198123

Split Complementary

#231981

#815719

#438119

Tetradic

#231981

#811943

#778119

#198157

Color Blindness Simulation

Original

#231981

Protanopia

#1F1F68

Deuteranopia

#1F2062

Tritanopia

#225450

Achromatopsia

#232323

CSS Usage

background-color: #231981;
color: #231981;
border-color: #231981;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F3FC
100
#E5E3F7
200
#C8C3F3
300
#A098EB
400
#6D61E0
500
#3A29D6
600
#2E21AB
700
#251B89
800
#1D156B
900
#19134E
950
#100C31

Contrast Checker

Text on white

13.75:1

AA Pass AAA Pass

Text on black

1.53:1

AA Fail AAA Fail

Related Articles

Tutorials

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

1月 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1月 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1月 15, 2026