#3A183D

#3A183D

Color Values

HEX

#3A183D

RGB

58, 24, 61

HSL

295.1, 43.5%, 16.7%

HSV

295.1, 60.7%, 23.9%

CMYK

4.9%, 60.7%, 0.0%, 76.1%

OKLCH

0.2761 0.0781 324.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#3A183D

#1B3D18

Analogous

#28183D

#3D182E

#3A183D

Triadic

#3A183D

#3D3A18

#183D3A

Split Complementary

#3A183D

#2E3D18

#183D28

Tetradic

#3A183D

#3D2818

#1B3D18

#182E3D

Color Blindness Simulation

Original

#3A183D

Protanopia

#2B2B34

Deuteranopia

#2D3032

Tritanopia

#382D2B

Achromatopsia

#222222

CSS Usage

background-color: #3A183D;
color: #3A183D;
border-color: #3A183D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FAF5FA
100
#F3E7F4
200
#E8CCEB
300
#D8A7DC
400
#C378CA
500
#AE48B7
600
#8B3A92
700
#6F2E75
800
#57245B
900
#401D43
950
#29132B

Contrast Checker

Text on white

15.24:1

AA Pass AAA Pass

Text on black

1.38:1

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