#287681

#287681

Color Values

HEX

#287681

RGB

40, 118, 129

HSL

187.4, 52.7%, 33.1%

HSV

187.4, 69.0%, 50.6%

CMYK

69.0%, 8.5%, 0.0%, 49.4%

OKLCH

0.5236 0.0759 208.3

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#287681

#813328

Analogous

#28815F

#284981

#287681

Triadic

#287681

#812876

#768128

Split Complementary

#287681

#812849

#815F28

Tetradic

#287681

#5F2881

#813328

#498128

Color Blindness Simulation

Original

#287681

Protanopia

#4A4A7E

Deuteranopia

#453F7E

Tritanopia

#2C7C7C

Achromatopsia

#666666

CSS Usage

background-color: #287681;
color: #287681;
border-color: #287681;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F4FAFB
100
#E5F3F5
200
#C8E9EE
300
#A2DAE2
400
#6FC6D2
500
#3CB2C3
600
#308E9C
700
#27727D
800
#1E5961
900
#194247
950
#102A2D

Contrast Checker

Text on white

5.25:1

AA Pass AAA Fail

Text on black

4.0:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026