#397FBF

#397FBF

Color Values

HEX

#397FBF

RGB

57, 127, 191

HSL

208.7, 54.0%, 48.6%

HSV

208.7, 70.2%, 74.9%

CMYK

70.2%, 33.5%, 0.0%, 25.1%

OKLCH

0.5817 0.1212 248.9

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#397FBF

#BF7939

Analogous

#39BFBC

#393CBF

#397FBF

Triadic

#397FBF

#BF397F

#7FBF39

Split Complementary

#397FBF

#BF393C

#BFBC39

Tetradic

#397FBF

#BC39BF

#BF7939

#3CBF39

Color Blindness Simulation

Original

#397FBF

Protanopia

#5758B0

Deuteranopia

#534EAC

Tritanopia

#3CA3A1

Achromatopsia

#757575

CSS Usage

background-color: #397FBF;
color: #397FBF;
border-color: #397FBF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DCEF
300
#A1C3E3
400
#6EA3D4
500
#3B82C4
600
#2F689D
700
#26547E
800
#1D4162
900
#193148
950
#101F2D

Contrast Checker

Text on white

4.23:1

AA Fail AAA Fail

Text on black

4.96:1

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