#28515D

#28515D

Color Values

HEX

#28515D

RGB

40, 81, 93

HSL

193.6, 39.8%, 26.1%

HSV

193.6, 57.0%, 36.5%

CMYK

57.0%, 12.9%, 0.0%, 63.5%

OKLCH

0.4104 0.05 219.2

Properties

Cool Dark Nearest: RAL 5009 Azure Blue

Color Harmonies

Complementary

#28515D

#5D3428

Analogous

#285D4F

#28375D

#28515D

Triadic

#28515D

#5D2851

#515D28

Split Complementary

#28515D

#5D2837

#5D4F28

Tetradic

#28515D

#4F285D

#5D3428

#375D28

Color Blindness Simulation

Original

#28515D

Protanopia

#3A3A5A

Deuteranopia

#373459

Tritanopia

#2A5857

Achromatopsia

#494949

CSS Usage

background-color: #28515D;
color: #28515D;
border-color: #28515D;
Nearest Tailwind: Cyan 900 #164E63

Tailwind Shades

50
#F5F9FA
100
#E7F0F3
200
#CDE3EA
300
#A9CFDA
400
#7BB5C6
500
#4D9BB2
600
#3D7C8F
700
#316372
800
#264E59
900
#1F3A42
950
#14252A

Contrast Checker

Text on white

8.66:1

AA Pass AAA Pass

Text on black

2.43:1

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