#231439

#231439

Color Values

HEX

#231439

RGB

35, 20, 57

HSL

264.3, 48.1%, 15.1%

HSV

264.3, 64.9%, 22.4%

CMYK

38.6%, 64.9%, 0.0%, 77.6%

OKLCH

0.2332 0.0695 299.7

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#231439

#2A3914

Analogous

#141839

#361439

#231439

Triadic

#231439

#392314

#143923

Split Complementary

#231439

#393614

#183914

Tetradic

#231439

#391418

#2A3914

#143936

Color Blindness Simulation

Original

#231439

Protanopia

#1D1C30

Deuteranopia

#1D1E2E

Tritanopia

#222927

Achromatopsia

#1A1A1A

CSS Usage

background-color: #231439;
color: #231439;
border-color: #231439;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FA
100
#ECE6F4
200
#D8CAEC
300
#BCA4DF
400
#9873CE
500
#7442BD
600
#5D3597
700
#4A2A79
800
#3A215E
900
#2C1B45
950
#1C112C

Contrast Checker

Text on white

17.06:1

AA Pass AAA Pass

Text on black

1.23:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026