#307CC8

#307CC8

Color Values

HEX

#307CC8

RGB

48, 124, 200

HSL

210.0, 61.3%, 48.6%

HSV

210.0, 76.0%, 78.4%

CMYK

76.0%, 38.0%, 0.0%, 21.6%

OKLCH

0.5771 0.1386 251.6

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#307CC8

#C87C30

Analogous

#30C8C8

#3030C8

#307CC8

Triadic

#307CC8

#C8307C

#7CC830

Split Complementary

#307CC8

#C83030

#C8C830

Tetradic

#307CC8

#C830C8

#C87C30

#30C830

Color Blindness Simulation

Original

#307CC8

Protanopia

#5152B6

Deuteranopia

#4C47B1

Tritanopia

#34A7A4

Achromatopsia

#717171

CSS Usage

background-color: #307CC8;
color: #307CC8;
border-color: #307CC8;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C5DBF1
300
#9CC2E7
400
#67A1DA
500
#3180CE
600
#2766A5
700
#205284
800
#194067
900
#16304B
950
#0E1F2F

Contrast Checker

Text on white

4.34:1

AA Fail AAA Fail

Text on black

4.84:1

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