#6491B4

#6491B4

Color Values

HEX

#6491B4

RGB

100, 145, 180

HSL

206.2, 34.8%, 54.9%

HSV

206.2, 44.4%, 70.6%

CMYK

44.4%, 19.4%, 0.0%, 29.4%

OKLCH

0.6378 0.0721 242.6

Properties

Cool Light Nearest: skyblue 3

Color Harmonies

Complementary

#6491B4

#B48764

Analogous

#64B4AF

#6469B4

#6491B4

Triadic

#6491B4

#B46491

#91B464

Split Complementary

#6491B4

#B46469

#B4AF64

Tetradic

#6491B4

#AF64B4

#B48764

#69B464

Color Blindness Simulation

Original

#6491B4

Protanopia

#7778AC

Deuteranopia

#7572AA

Tritanopia

#66A5A3

Achromatopsia

#8A8A8A

CSS Usage

background-color: #6491B4;
color: #6491B4;
border-color: #6491B4;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F8FA
100
#E8EEF2
200
#CFDDE8
300
#ADC4D7
400
#80A5C1
500
#5385AC
600
#436A89
700
#35556E
800
#2A4356
900
#213240
950
#152028

Contrast Checker

Text on white

3.36:1

AA Fail AAA Fail

Text on black

6.25:1

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