#399BAC

#399BAC

Color Values

HEX

#399BAC

RGB

57, 155, 172

HSL

188.9, 50.2%, 44.9%

HSV

188.9, 66.9%, 67.5%

CMYK

66.9%, 9.9%, 0.0%, 32.5%

OKLCH

0.6397 0.0925 211.2

Properties

Cool Light Nearest: NCS S 1050-B20G Cyan

Color Harmonies

Complementary

#399BAC

#AC4A39

Analogous

#39AC84

#3961AC

#399BAC

Triadic

#399BAC

#AC399B

#9BAC39

Split Complementary

#399BAC

#AC3961

#AC8439

Tetradic

#399BAC

#8439AC

#AC4A39

#61AC39

Color Blindness Simulation

Original

#399BAC

Protanopia

#6364A8

Deuteranopia

#5E56A7

Tritanopia

#3EA5A4

Achromatopsia

#878787

CSS Usage

background-color: #399BAC;
color: #399BAC;
border-color: #399BAC;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F4FAFB
100
#E6F3F5
200
#C9E8ED
300
#A3D7E1
400
#71C2D0
500
#3FADC0
600
#338A99
700
#296E7B
800
#205660
900
#1B4046
950
#11282C

Contrast Checker

Text on white

3.25:1

AA Fail AAA Fail

Text on black

6.46:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026