Sapphire Blue color code: #0F52BA
A clean jewel blue with high chroma, useful for accents against dark navy.
Sapphire Blue · rgb(15, 82, 186)
Every format for Sapphire Blue
- HEX
- #0F52BA
- RGB
- rgb(15, 82, 186)
- HSL
- hsl(216, 85%, 39%)
- HSV
- 216°, 92%, 73%
- CMYK
- 92%, 56%, 0%, 27%
- Lightness
- 39% · mid-tone
Hue sits at 216°, which makes Sapphire Blue a slightly cool blue navy, with 85% saturation. In the Royal Navy family it reads as a mid-tone option.
Text contrast on Sapphire Blue
Contrast ratios are calculated using the WCAG 2.1 relative luminance formula. Normal body text needs 4.5:1 and large text needs 3:1 to pass AA.
White text on Sapphire Blue
The quick brown fox jumps over the lazy dog.
7.15:1 — AAA for normal textBlack text on Sapphire Blue
The quick brown fox jumps over the lazy dog.
2.94:1 — below AA, decorative use onlySapphire Blue text on white
The quick brown fox jumps over the lazy dog.
7.15:1 — AAA for normal textAccessibility notes
- Pair Sapphire Blue with white text for the strongest reading experience: that combination gives 7.15:1.
- Used as a text colour on white, it clears the 3:1 bar for large headings.
- Never rely on Sapphire Blue alone to communicate state. Add an icon, label or underline so the meaning survives for colour-blind users and in greyscale printing.
- When placing text over a photograph tinted with Sapphire Blue, add a solid overlay first. Contrast measured against a flat colour does not hold over varying imagery.
Using Sapphire Blue in CSS and HTML
CSS example
:root {
--sapphire-blue: #0F52BA;
}
.panel {
background-color: var(--sapphire-blue);
color: #FFFFFF;
border: 1px solid #0F52BA;
}HTML example
<div style="background-color: #0F52BA; color: #FFFFFF; padding: 1rem;">
Sapphire Blue #0F52BA
</div>Common uses
- Primary buttons, active navigation states and chart series.
- Royal Navy palettes for brand systems that need a dependable cool anchor.
- Print work where a deep blue is preferred to black, using the CMYK build 92%, 56%, 0%, 27%.
- Data visualisation, as one step in a lightness-based navy scale.
Design recommendations
- Build lighter and darker variants by changing only the lightness in
hsl(216, 85%, 39%). Keeping hue fixed is what makes a scale look intentional. - Give Sapphire Blue at least one warm counterweight. A cool palette with no warm accent tends to read as cold rather than calm.
- Saturation is high here, so use it in measured amounts. Large flat areas of a saturated navy can feel heavy on screen.
Complementary and matching colors
Each of these is derived from the hue, saturation and lightness of Sapphire Blue. Click a swatch to copy it.
Similar navy shades
Continue exploring
FAQs about Sapphire Blue
What is the Sapphire Blue color code?
The Sapphire Blue color code is #0F52BA in HEX, rgb(15, 82, 186) in RGB and hsl(216, 85%, 39%) in HSL.
What is the RGB value of Sapphire Blue?
Sapphire Blue is rgb(15, 82, 186), meaning 15 units of red, 82 of green and 186 of blue on the 0 to 255 scale.
What is the CMYK value of Sapphire Blue?
In CMYK, Sapphire Blue converts to approximately 92%, 56%, 0%, 27%. Printed output will look slightly less saturated than the screen preview because CMYK covers a narrower gamut.
Does white text work on Sapphire Blue?
White text on Sapphire Blue gives a contrast ratio of 7.15:1, which is AAA for normal text.
Does black text work on Sapphire Blue?
Black text on Sapphire Blue gives a contrast ratio of 2.94:1, which is below AA, decorative use only.
Which colors go with Sapphire Blue?
Its direct complement is #EFA434, and the warm accent #E4CC44 works well for calls to action. For a quieter scheme, pair it with the analogous blues listed above.
Is Sapphire Blue a light or dark navy?
At 39% lightness, Sapphire Blue is classed as a mid-tone navy in this collection.