#557A91

#557A91

Color Values

HEX

#557A91

RGB

85, 122, 145

HSL

203.0, 26.1%, 45.1%

HSV

203.0, 41.4%, 56.9%

CMYK

41.4%, 15.9%, 0.0%, 43.1%

OKLCH

0.5607 0.0549 236.3

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#557A91

#916C55

Analogous

#55918A

#555C91

#557A91

Triadic

#557A91

#91557A

#7A9155

Split Complementary

#557A91

#91555C

#918A55

Tetradic

#557A91

#8A5591

#916C55

#5C9155

Color Blindness Simulation

Original

#557A91

Protanopia

#65658B

Deuteranopia

#63608A

Tritanopia

#578786

Achromatopsia

#747474

CSS Usage

background-color: #557A91;
color: #557A91;
border-color: #557A91;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D2DDE5
300
#B2C6D2
400
#88A6B9
500
#5E87A1
600
#4B6C81
700
#3C5767
800
#2F4450
900
#25333C
950
#172026

Contrast Checker

Text on white

4.59:1

AA Pass AAA Fail

Text on black

4.58:1

AA Pass AAA Fail

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