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Blue

Color Code #0000FF

A precise look at this Blue color with standard values, coordinated palettes, contrast and practical examples.

BlueVividNamed color
Color preview#0000FF
Conversions

Complete color values

Every value is calculated directly from the HEX code. CMYK is an approximation for print workflows.

HEX
#0000FF
RGB
rgb(0, 0, 255)
HSL
hsl(240 100% 50%)
HSV
hsv(240 100% 100%)
CMYKApproximate
100%, 100%, 0%, 0%
Relative luminance0.07220—1
Contrast with white8.59:1WCAG
Contrast with black2.44:1WCAG
Best text color#FFFFFFAA ✓

Contrast report

Readability against white and black text

Readable text sample8.59:1
AA ✓AAA ✓
Readable text sample2.44:1
AA ×AAA ×
Usage suggestions

Where can this color work?

This vivid Blue tone can be considered for prominent surfaces, identity elements and visual emphasis.

Use #0000FF for normal text only when the contrast ratio reaches at least 4.5:1. Large text may pass at 3:1.

Color harmony

Suggested palettes

Complementary palette

#0000FF#FFFF00

Analogous palette

#0080FF#0000FF#8000FF

Triadic palette

#0000FF#FF0000#00FF00

Monochrome scale

#000047#000099#0000EB#3D3DFF#8F8FFF#CCCCFF
Complementary#FFFF00View colorInverted#FFFF00View color
For designers and developers

CSS code example

CSS
.color-sample {
  color: #0000FF;
  background-color: #0000FF1A;
  border-color: #0000FF;
}
Related tools

Explore this color further

Related colors

#0C00FFView color#000CFFView color#0000F3View color#0C0CFFView color

Frequently asked questions

What is the RGB value of #0000FF?

This color is RGB(0, 0, 255).

What is the HSL value of #0000FF?

Its value is HSL(240°, 100%, 50%).

Is #0000FF suitable for text?

Readability depends on the background. The contrast ratio and WCAG results on this page provide the relevant checks.