#131934

#131934

Color Values

HEX

#131934

RGB

19, 25, 52

HSL

229.1, 46.5%, 13.9%

HSV

229.1, 63.5%, 20.4%

CMYK

63.5%, 51.9%, 0.0%, 79.6%

OKLCH

0.2237 0.0532 272.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#131934

#342E13

Analogous

#132934

#1D1334

#131934

Triadic

#131934

#341319

#193413

Split Complementary

#131934

#341D13

#293413

Tetradic

#131934

#341329

#342E13

#13341D

Color Blindness Simulation

Original

#131934

Protanopia

#16162D

Deuteranopia

#15152C

Tritanopia

#132827

Achromatopsia

#1A1A1A

CSS Usage

background-color: #131934;
color: #131934;
border-color: #131934;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F5FA
100
#E6E9F4
200
#CBD1EC
300
#A5B0DE
400
#7585CD
500
#445ABB
600
#374895
700
#2C3978
800
#222D5D
900
#1C2445
950
#12162B

Contrast Checker

Text on white

17.27:1

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