#1F4576

#1F4576

Color Values

HEX

#1F4576

RGB

31, 69, 118

HSL

213.8, 58.4%, 29.2%

HSV

213.8, 73.7%, 46.3%

CMYK

73.7%, 41.5%, 0.0%, 53.7%

OKLCH

0.3894 0.0941 255.9

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#1F4576

#76501F

Analogous

#1F7076

#241F76

#1F4576

Triadic

#1F4576

#761F45

#45761F

Split Complementary

#1F4576

#76241F

#70761F

Tetradic

#1F4576

#761F70

#76501F

#1F7624

Color Blindness Simulation

Original

#1F4576

Protanopia

#2F306A

Deuteranopia

#2D2A67

Tritanopia

#21615F

Achromatopsia

#404040

CSS Usage

background-color: #1F4576;
color: #1F4576;
border-color: #1F4576;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FB
100
#E4ECF6
200
#C6D9F0
300
#9EBDE6
400
#6A9AD8
500
#3576CA
600
#2A5EA2
700
#224C81
800
#1B3B65
900
#172D4A
950
#0F1D2F

Contrast Checker

Text on white

9.67:1

AA Pass AAA Pass

Text on black

2.17:1

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