#28598C

#28598C

Color Values

HEX

#28598C

RGB

40, 89, 140

HSL

210.6, 55.6%, 35.3%

HSV

210.6, 71.4%, 54.9%

CMYK

71.4%, 36.4%, 0.0%, 45.1%

OKLCH

0.4559 0.0991 251.7

Properties

Cool Dark Nearest: RAL 5019 Capri Blue

Color Harmonies

Complementary

#28598C

#8C5B28

Analogous

#288B8C

#29288C

#28598C

Triadic

#28598C

#8C2859

#598C28

Split Complementary

#28598C

#8C2928

#8B8C28

Tetradic

#28598C

#8C288B

#8C5B28

#288C29

Color Blindness Simulation

Original

#28598C

Protanopia

#3D3E80

Deuteranopia

#3A377D

Tritanopia

#2A7674

Achromatopsia

#525252

CSS Usage

background-color: #28598C;
color: #28598C;
border-color: #28598C;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F4F7FB
100
#E5EDF6
200
#C7DBEF
300
#A0C1E4
400
#6CA0D5
500
#397EC6
600
#2D659F
700
#24517F
800
#1C3F63
900
#183049
950
#0F1E2E

Contrast Checker

Text on white

7.25:1

AA Pass AAA Pass

Text on black

2.9:1

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