#284877

#284877

Color Values

HEX

#284877

RGB

40, 72, 119

HSL

215.7, 49.7%, 31.2%

HSV

215.7, 66.4%, 46.7%

CMYK

66.4%, 39.5%, 0.0%, 53.3%

OKLCH

0.4015 0.0883 258.0

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#284877

#775728

Analogous

#287077

#302877

#284877

Triadic

#284877

#772848

#487728

Split Complementary

#284877

#773028

#707728

Tetradic

#284877

#772870

#775728

#287730

Color Blindness Simulation

Original

#284877

Protanopia

#36366C

Deuteranopia

#343269

Tritanopia

#2A6361

Achromatopsia

#454545

CSS Usage

background-color: #284877;
color: #284877;
border-color: #284877;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FB
100
#E6ECF5
200
#CAD8ED
300
#A3BCE0
400
#7298D0
500
#4073BF
600
#335C99
700
#294A7A
800
#203A5F
900
#1B2C46
950
#111C2C

Contrast Checker

Text on white

9.2:1

AA Pass AAA Pass

Text on black

2.28:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026