#285979

#285979

Color Values

HEX

#285979

RGB

40, 89, 121

HSL

203.7, 50.3%, 31.6%

HSV

203.7, 66.9%, 47.5%

CMYK

66.9%, 26.4%, 0.0%, 52.5%

OKLCH

0.4451 0.0746 240.0

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#285979

#794828

Analogous

#287971

#283179

#285979

Triadic

#285979

#792859

#597928

Split Complementary

#285979

#792831

#797128

Tetradic

#285979

#712879

#794828

#317928

Color Blindness Simulation

Original

#285979

Protanopia

#3D3E71

Deuteranopia

#3A376F

Tritanopia

#2A6B6A

Achromatopsia

#515151

CSS Usage

background-color: #285979;
color: #285979;
border-color: #285979;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F8FB
100
#E6EFF5
200
#C9DFED
300
#A3C8E1
400
#71ABD0
500
#3F8DC0
600
#337199
700
#295A7B
800
#204660
900
#1B3546
950
#11222C

Contrast Checker

Text on white

7.51:1

AA Pass AAA Pass

Text on black

2.8:1

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