#191C5B

#191C5B

Color Values

HEX

#191C5B

RGB

25, 28, 91

HSL

237.3, 56.9%, 22.7%

HSV

237.3, 72.5%, 35.7%

CMYK

72.5%, 69.2%, 0.0%, 64.3%

OKLCH

0.2706 0.1105 274.2

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#191C5B

#5B5819

Analogous

#193D5B

#37195B

#191C5B

Triadic

#191C5B

#5B191C

#1C5B19

Split Complementary

#191C5B

#5B3719

#3D5B19

Tetradic

#191C5B

#5B193D

#5B5819

#195B37

Color Blindness Simulation

Original

#191C5B

Protanopia

#1A1A4C

Deuteranopia

#1A1A48

Tritanopia

#19403D

Achromatopsia

#202020

CSS Usage

background-color: #191C5B;
color: #191C5B;
border-color: #191C5B;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E5E5F6
200
#C7C9F0
300
#9FA2E5
400
#6B70D6
500
#373DC8
600
#2C31A0
700
#232780
800
#1B1F64
900
#181A49
950
#0F102E

Contrast Checker

Text on white

15.46:1

AA Pass AAA Pass

Text on black

1.36:1

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