#284575

#284575

Color Values

HEX

#284575

RGB

40, 69, 117

HSL

217.4, 49.0%, 30.8%

HSV

217.4, 65.8%, 45.9%

CMYK

65.8%, 41.0%, 0.0%, 54.1%

OKLCH

0.393 0.0889 260.0

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#284575

#755828

Analogous

#286C75

#322875

#284575

Triadic

#284575

#752845

#457528

Split Complementary

#284575

#753228

#6C7528

Tetradic

#284575

#75286C

#755828

#287532

Color Blindness Simulation

Original

#284575

Protanopia

#353569

Deuteranopia

#333167

Tritanopia

#29605E

Achromatopsia

#424242

CSS Usage

background-color: #284575;
color: #284575;
border-color: #284575;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FB
100
#E6EBF5
200
#CAD7ED
300
#A4BAE0
400
#7295CF
500
#4170BE
600
#345A98
700
#2A487A
800
#21385F
900
#1B2B46
950
#111B2C

Contrast Checker

Text on white

9.55:1

AA Pass AAA Pass

Text on black

2.2:1

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