#1F4669

#1F4669

Color Values

HEX

#1F4669

RGB

31, 70, 105

HSL

208.4, 54.4%, 26.7%

HSV

208.4, 70.5%, 41.2%

CMYK

70.5%, 33.3%, 0.0%, 58.8%

OKLCH

0.3836 0.0745 248.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#1F4669

#69421F

Analogous

#1F6967

#1F2169

#1F4669

Triadic

#1F4669

#691F46

#46691F

Split Complementary

#1F4669

#691F21

#69671F

Tetradic

#1F4669

#671F69

#69421F

#21691F

Color Blindness Simulation

Original

#1F4669

Protanopia

#303061

Deuteranopia

#2E2B5E

Tritanopia

#215A58

Achromatopsia

#404040

CSS Usage

background-color: #1F4669;
color: #1F4669;
border-color: #1F4669;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DCEF
300
#A1C4E3
400
#6DA3D4
500
#3A83C5
600
#2F699D
700
#25547E
800
#1D4262
900
#193248
950
#101F2E

Contrast Checker

Text on white

9.82:1

AA Pass AAA Pass

Text on black

2.14:1

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