#277984

#277984

Color Values

HEX

#277984

RGB

39, 121, 132

HSL

187.1, 54.4%, 33.5%

HSV

187.1, 70.5%, 51.8%

CMYK

70.5%, 8.3%, 0.0%, 48.2%

OKLCH

0.5324 0.0783 207.8

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#277984

#843227

Analogous

#278460

#274A84

#277984

Triadic

#277984

#842779

#798427

Split Complementary

#277984

#84274A

#846027

Tetradic

#277984

#602784

#843227

#4A8427

Color Blindness Simulation

Original

#277984

Protanopia

#4B4B81

Deuteranopia

#464081

Tritanopia

#2B7F7F

Achromatopsia

#686868

CSS Usage

background-color: #277984;
color: #277984;
border-color: #277984;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F4FAFB
100
#E5F3F5
200
#C8EAEF
300
#A1DBE3
400
#6DC8D4
500
#3AB4C5
600
#2F909D
700
#25737E
800
#1D5A62
900
#194348
950
#102A2E

Contrast Checker

Text on white

5.05:1

AA Pass AAA Fail

Text on black

4.15:1

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