#231D5F

#231D5F

Color Values

HEX

#231D5F

RGB

35, 29, 95

HSL

245.5, 53.2%, 24.3%

HSV

245.5, 69.5%, 37.3%

CMYK

63.2%, 69.5%, 0.0%, 62.7%

OKLCH

0.2844 0.1126 280.6

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#231D5F

#595F1D

Analogous

#1D385F

#441D5F

#231D5F

Triadic

#231D5F

#5F231D

#1D5F23

Split Complementary

#231D5F

#5F441D

#385F1D

Tetradic

#231D5F

#5F1D38

#595F1D

#1D5F44

Color Blindness Simulation

Original

#231D5F

Protanopia

#20204F

Deuteranopia

#21214B

Tritanopia

#234240

Achromatopsia

#232323

CSS Usage

background-color: #231D5F;
color: #231D5F;
border-color: #231D5F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CCC8EE
300
#A7A1E2
400
#786ED3
500
#483CC3
600
#3A309C
700
#2E267D
800
#241E62
900
#1E1948
950
#13102D

Contrast Checker

Text on white

14.87:1

AA Pass AAA Pass

Text on black

1.41:1

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