#0308F0

#0308F0

Color Values

HEX

#0308F0

RGB

3, 8, 240

HSL

238.7, 97.5%, 47.6%

HSV

238.7, 98.8%, 94.1%

CMYK

98.8%, 96.7%, 0.0%, 5.9%

OKLCH

0.435 0.2969 264.3

Properties

Cool Dark Nearest: blue

Color Harmonies

Complementary

#0308F0

#F0EB03

Analogous

#037FF0

#7403F0

#0308F0

Triadic

#0308F0

#F00308

#08F003

Split Complementary

#0308F0

#F07403

#7FF003

Tetradic

#0308F0

#F0037F

#F0EB03

#03F074

Color Blindness Simulation

Original

#0308F0

Protanopia

#0505B8

Deuteranopia

#0504AA

Tritanopia

#038B82

Achromatopsia

#181818

CSS Usage

background-color: #0308F0;
color: #0308F0;
border-color: #0308F0;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F1F1FE
100
#DEDFFC
200
#B8BAFE
300
#8689FD
400
#4549FD
500
#0309FC
600
#0307C9
700
#0205A1
800
#02047E
900
#06085B
950
#040539

Contrast Checker

Text on white

9.14:1

AA Pass AAA Pass

Text on black

2.3:1

AA Fail 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