#649DA1

#649DA1

Color Values

HEX

#649DA1

RGB

100, 157, 161

HSL

183.9, 24.5%, 51.2%

HSV

183.9, 37.9%, 63.1%

CMYK

37.9%, 2.5%, 0.0%, 36.9%

OKLCH

0.6582 0.06 201.5

Properties

Cool Light Nearest: cadetblue

Color Harmonies

Complementary

#649DA1

#A16864

Analogous

#64A187

#647FA1

#649DA1

Triadic

#649DA1

#A1649D

#9DA164

Split Complementary

#649DA1

#A1647F

#A18764

Tetradic

#649DA1

#8764A1

#A16864

#7FA164

Color Blindness Simulation

Original

#649DA1

Protanopia

#7D7DA0

Deuteranopia

#7975A0

Tritanopia

#679F9F

Achromatopsia

#919191

CSS Usage

background-color: #649DA1;
color: #649DA1;
border-color: #649DA1;
Nearest Tailwind: Slate 400 #94A3B8

Tailwind Shades

50
#F6F9F9
100
#E9F0F1
200
#D3E3E4
300
#B3CFD1
400
#8AB5B8
500
#609B9F
600
#4D7C7F
700
#3E6366
800
#304D4F
900
#263A3B
950
#182425

Contrast Checker

Text on white

3.05:1

AA Fail AAA Fail

Text on black

6.88:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026