#557EB4

#557EB4

Color Values

HEX

#557EB4

RGB

85, 126, 180

HSL

214.1, 38.8%, 52.0%

HSV

214.1, 52.8%, 70.6%

CMYK

52.8%, 30.0%, 0.0%, 29.4%

OKLCH

0.5863 0.0953 255.7

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#557EB4

#B48B55

Analogous

#55AEB4

#5C55B4

#557EB4

Triadic

#557EB4

#B4557E

#7EB455

Split Complementary

#557EB4

#B45C55

#AEB455

Tetradic

#557EB4

#B455AE

#B48B55

#55B45C

Color Blindness Simulation

Original

#557EB4

Protanopia

#6767A7

Deuteranopia

#6461A4

Tritanopia

#579D9A

Achromatopsia

#797979

CSS Usage

background-color: #557EB4;
color: #557EB4;
border-color: #557EB4;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CDD9E9
300
#AABFDA
400
#7C9CC5
500
#4E79B1
600
#3E618E
700
#324D71
800
#273C58
900
#202E41
950
#141D29

Contrast Checker

Text on white

4.18:1

AA Fail AAA Fail

Text on black

5.03:1

AA Pass AAA Fail

Related Articles

Tutorials

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

1月 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1月 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1月 15, 2026