#688BB6

#688BB6

Color Values

HEX

#688BB6

RGB

104, 139, 182

HSL

213.1, 34.8%, 56.1%

HSV

213.1, 42.9%, 71.4%

CMYK

42.9%, 23.6%, 0.0%, 28.6%

OKLCH

0.6275 0.0763 254.0

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#688BB6

#B69368

Analogous

#68B2B6

#6C68B6

#688BB6

Triadic

#688BB6

#B6688B

#8BB668

Split Complementary

#688BB6

#B66C68

#B2B668

Tetradic

#688BB6

#B668B2

#B69368

#68B66C

Color Blindness Simulation

Original

#688BB6

Protanopia

#7777AC

Deuteranopia

#7572A9

Tritanopia

#6AA3A2

Achromatopsia

#878787

CSS Usage

background-color: #688BB6;
color: #688BB6;
border-color: #688BB6;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E8EDF2
200
#CFDAE8
300
#ADC0D7
400
#809DC1
500
#537BAC
600
#436289
700
#354F6E
800
#2A3D56
900
#212F40
950
#151E28

Contrast Checker

Text on white

3.53:1

AA Fail AAA Fail

Text on black

5.96:1

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