#131A34

#131A34

Color Values

HEX

#131A34

RGB

19, 26, 52

HSL

227.3, 46.5%, 13.9%

HSV

227.3, 63.5%, 20.4%

CMYK

63.5%, 50.0%, 0.0%, 79.6%

OKLCH

0.2263 0.0516 270.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#131A34

#342D13

Analogous

#132A34

#1C1334

#131A34

Triadic

#131A34

#34131A

#1A3413

Split Complementary

#131A34

#341C13

#2A3413

Tetradic

#131A34

#34132A

#342D13

#13341C

Color Blindness Simulation

Original

#131A34

Protanopia

#16162E

Deuteranopia

#16152C

Tritanopia

#132928

Achromatopsia

#1A1A1A

CSS Usage

background-color: #131A34;
color: #131A34;
border-color: #131A34;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F6FA
100
#E6E9F4
200
#CBD2EC
300
#A5B1DE
400
#7587CD
500
#445DBB
600
#374B95
700
#2C3C78
800
#222F5D
900
#1C2545
950
#12172B

Contrast Checker

Text on white

17.14:1

AA Pass AAA Pass

Text on black

1.23:1

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