#307FD1

#307FD1

Color Values

HEX

#307FD1

RGB

48, 127, 209

HSL

210,6, 63,6%, 50,4%

HSV

210,6, 77,0%, 82,0%

CMYK

77,0%, 39,2%, 0,0%, 18,0%

OKLCH

0,5893 0,1469 252,4

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#307FD1

#D18230

Analogous

#30CFD1

#3230D1

#307FD1

Triadic

#307FD1

#D1307F

#7FD130

Split Complementary

#307FD1

#D13230

#CFD130

Tetradic

#307FD1

#D130CF

#D18230

#30D132

Color Blindness Simulation

Original

#307FD1

Protanopia

#5253BD

Deuteranopia

#4E48B8

Tritanopia

#34ADAA

Achromatopsia

#747474

CSS Usage

background-color: #307FD1;
color: #307FD1;
border-color: #307FD1;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF7
200
#C5DBF2
300
#9BC1E9
400
#659FDD
500
#2E7ED1
600
#2565A7
700
#1E5185
800
#173F68
900
#15304C
950
#0D1E30

Contrast Checker

Text on white

4,13:1

AA Fail AAA Fail

Text on black

5,08:1

AA Pass AAA Fail

Related Articles

Tutorials

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

Oca 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Oca 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Oca 15, 2026