#1F447E

#1F447E

Color Values

HEX

#1F447E

RGB

31, 68, 126

HSL

216.6, 60.5%, 30.8%

HSV

216.6, 75.4%, 49.4%

CMYK

75.4%, 46.0%, 0.0%, 50.6%

OKLCH

0.3925 0.107 259.1

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#1F447E

#7E591F

Analogous

#1F747E

#291F7E

#1F447E

Triadic

#1F447E

#7E1F44

#447E1F

Split Complementary

#1F447E

#7E291F

#747E1F

Tetradic

#1F447E

#7E1F74

#7E591F

#1F7E29

Color Blindness Simulation

Original

#1F447E

Protanopia

#2F2F70

Deuteranopia

#2D2A6D

Tritanopia

#216562

Achromatopsia

#404040

CSS Usage

background-color: #1F447E;
color: #1F447E;
border-color: #1F447E;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F3F6FB
100
#E4EBF6
200
#C6D7F1
300
#9DBAE7
400
#6894DA
500
#326FCD
600
#2858A4
700
#204783
800
#193766
900
#162B4B
950
#0E1B2F

Contrast Checker

Text on white

9.6:1

AA Pass AAA Pass

Text on black

2.19:1

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