#307FC5

#307FC5

Color Values

HEX

#307FC5

RGB

48, 127, 197

HSL

208.2, 60.8%, 48.0%

HSV

208.2, 75.6%, 77.3%

CMYK

75.6%, 35.5%, 0.0%, 22.7%

OKLCH

0.5822 0.1319 249.0

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#307FC5

#C57630

Analogous

#30C5C0

#3034C5

#307FC5

Triadic

#307FC5

#C5307F

#7FC530

Split Complementary

#307FC5

#C53034

#C5C030

Tetradic

#307FC5

#C030C5

#C57630

#34C530

Color Blindness Simulation

Original

#307FC5

Protanopia

#5253B4

Deuteranopia

#4E48B0

Tritanopia

#34A7A4

Achromatopsia

#737373

CSS Usage

background-color: #307FC5;
color: #307FC5;
border-color: #307FC5;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F8FB
100
#E4EEF6
200
#C6DDF1
300
#9DC4E7
400
#67A4DA
500
#3284CD
600
#286AA4
700
#205583
800
#194267
900
#16324B
950
#0E202F

Contrast Checker

Text on white

4.23:1

AA Fail AAA Fail

Text on black

4.97:1

AA Pass AAA Fail

Related Articles

Tutorials

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

1월 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1월 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1월 15, 2026