#231339

#231339

Color Values

HEX

#231339

RGB

35, 19, 57

HSL

265.3, 50.0%, 14.9%

HSV

265.3, 66.7%, 22.4%

CMYK

38.6%, 66.7%, 0.0%, 77.6%

OKLCH

0.2313 0.0713 300.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#231339

#293913

Analogous

#131639

#361339

#231339

Triadic

#231339

#392313

#133923

Split Complementary

#231339

#393613

#163913

Tetradic

#231339

#391316

#293913

#133936

Color Blindness Simulation

Original

#231339

Protanopia

#1C1C30

Deuteranopia

#1D1E2E

Tritanopia

#222927

Achromatopsia

#191919

CSS Usage

background-color: #231339;
color: #231339;
border-color: #231339;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FB
100
#ECE6F5
200
#D9C9ED
300
#BDA3E0
400
#9971D0
500
#7640BF
600
#5E3399
700
#4B297A
800
#3B2060
900
#2D1B46
950
#1C112C

Contrast Checker

Text on white

17.16:1

AA Pass AAA Pass

Text on black

1.22:1

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