#191541

#191541

Color Values

HEX

#191541

RGB

25, 21, 65

HSL

245.5, 51.2%, 16.9%

HSV

245.5, 67.7%, 25.5%

CMYK

61.5%, 67.7%, 0.0%, 74.5%

OKLCH

0.2309 0.0805 282.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#191541

#3D4115

Analogous

#152741

#2F1541

#191541

Triadic

#191541

#411915

#154119

Split Complementary

#191541

#412F15

#274115

Tetradic

#191541

#411527

#3D4115

#15412F

Color Blindness Simulation

Original

#191541

Protanopia

#171736

Deuteranopia

#181834

Tritanopia

#192E2C

Achromatopsia

#191919

CSS Usage

background-color: #191541;
color: #191541;
border-color: #191541;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CCC9EE
300
#A8A2E1
400
#7970D1
500
#4A3EC1
600
#3B329A
700
#2F287B
800
#251F60
900
#1E1A47
950
#13102D

Contrast Checker

Text on white

17.14:1

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