#286F79

#286F79

Color Values

HEX

#286F79

RGB

40, 111, 121

HSL

187.4, 50.3%, 31.6%

HSV

187.4, 66.9%, 47.5%

CMYK

66.9%, 8.3%, 0.0%, 52.5%

OKLCH

0.502 0.0709 208.2

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#286F79

#793228

Analogous

#28795B

#284779

#286F79

Triadic

#286F79

#79286F

#6F7928

Split Complementary

#286F79

#792847

#795B28

Tetradic

#286F79

#5B2879

#793228

#477928

Color Blindness Simulation

Original

#286F79

Protanopia

#474777

Deuteranopia

#433D76

Tritanopia

#2C7574

Achromatopsia

#616161

CSS Usage

background-color: #286F79;
color: #286F79;
border-color: #286F79;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F4FAFB
100
#E6F3F5
200
#C9E9ED
300
#A3D9E1
400
#71C4D0
500
#3FB0C0
600
#338D99
700
#29717B
800
#205860
900
#1B4146
950
#11292C

Contrast Checker

Text on white

5.77:1

AA Pass AAA Fail

Text on black

3.64:1

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