#397ABB

#397ABB

Color Values

HEX

#397ABB

RGB

57, 122, 187

HSL

210.0, 53.3%, 47.8%

HSV

210.0, 69.5%, 73.3%

CMYK

69.5%, 34.8%, 0.0%, 26.7%

OKLCH

0.5679 0.1209 250.8

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#397ABB

#BB7A39

Analogous

#39BBBB

#3939BB

#397ABB

Triadic

#397ABB

#BB397A

#7ABB39

Split Complementary

#397ABB

#BB3939

#BBBB39

Tetradic

#397ABB

#BB39BB

#BB7A39

#39BB39

Color Blindness Simulation

Original

#397ABB

Protanopia

#5556AB

Deuteranopia

#514CA8

Tritanopia

#3C9F9C

Achromatopsia

#717171

CSS Usage

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

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DBEE
300
#A1C2E2
400
#6EA1D3
500
#3C80C3
600
#30669C
700
#26527D
800
#1E4062
900
#193048
950
#101F2D

Contrast Checker

Text on white

4.49:1

AA Fail AAA Fail

Text on black

4.68:1

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