#131C50

#131C50

Color Values

HEX

#131C50

RGB

19, 28, 80

HSL

231.1, 61.6%, 19.4%

HSV

231.1, 76.2%, 31.4%

CMYK

76.3%, 65.0%, 0.0%, 68.6%

OKLCH

0.2556 0.0955 270.6

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#131C50

#504713

Analogous

#133B50

#281350

#131C50

Triadic

#131C50

#50131C

#1C5013

Split Complementary

#131C50

#502813

#3B5013

Tetradic

#131C50

#50133B

#504713

#135028

Color Blindness Simulation

Original

#131C50

Protanopia

#171743

Deuteranopia

#161640

Tritanopia

#133937

Achromatopsia

#1E1E1E

CSS Usage

background-color: #131C50;
color: #131C50;
border-color: #131C50;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F3F5FB
100
#E4E7F6
200
#C5CCF1
300
#9CA7E7
400
#6778DB
500
#3148CE
600
#273AA5
700
#1F2E84
800
#182467
900
#161E4B
950
#0E1330

Contrast Checker

Text on white

16.04:1

AA Pass AAA Pass

Text on black

1.31:1

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