#1F5387

#1F5387

Color Values

HEX

#1F5387

RGB

31, 83, 135

HSL

210.0, 62.7%, 32.5%

HSV

210.0, 77.0%, 52.9%

CMYK

77.0%, 38.5%, 0.0%, 47.1%

OKLCH

0.4348 0.1021 251.4

Properties

Cool Dark Nearest: RAL 5019 Capri Blue

Color Harmonies

Complementary

#1F5387

#87531F

Analogous

#1F8787

#1F1F87

#1F5387

Triadic

#1F5387

#871F53

#53871F

Split Complementary

#1F5387

#871F1F

#87871F

Tetradic

#1F5387

#871F87

#87531F

#1F871F

Color Blindness Simulation

Original

#1F5387

Protanopia

#36367A

Deuteranopia

#322F77

Tritanopia

#22706E

Achromatopsia

#4C4C4C

CSS Usage

background-color: #1F5387;
color: #1F5387;
border-color: #1F5387;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F3F7FB
100
#E4EDF7
200
#C5DBF2
300
#9BC2E8
400
#65A1DC
500
#3080CF
600
#2666A6
700
#1E5285
800
#184068
900
#15304C
950
#0D1F30

Contrast Checker

Text on white

7.94:1

AA Pass AAA Pass

Text on black

2.65:1

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