#399DFE

#399DFE

Color Values

HEX

#399DFE

RGB

57, 157, 254

HSL

209,5, 99,0%, 61,0%

HSV

209,5, 77,6%, 99,6%

CMYK

77,6%, 38,2%, 0,0%, 0,4%

OKLCH

0,6851 0,1697 251,3

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#399DFE

#FE9A39

Analogous

#39FEFC

#393BFE

#399DFE

Triadic

#399DFE

#FE399D

#9DFE39

Split Complementary

#399DFE

#FE393B

#FEFC39

Tetradic

#399DFE

#FC39FE

#FE9A39

#3BFE39

Color Blindness Simulation

Original

#399DFE

Protanopia

#6465E7

Deuteranopia

#5E57E1

Tritanopia

#3ED4D0

Achromatopsia

#8F8F8F

CSS Usage

background-color: #399DFE;
color: #399DFE;
border-color: #399DFE;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F1F7FE
100
#DEEDFC
200
#B8DCFF
300
#85C3FE
400
#43A2FE
500
#0182FE
600
#0168CB
700
#0153A2
800
#01417F
900
#05315C
950
#031F3A

Contrast Checker

Text on white

2,83:1

AA Fail AAA Fail

Text on black

7,43:1

AA Pass AAA Pass

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