BLUE

Sapphire

#0F52BA

Conversions

HEX#0F52BA

RGBrgb(15, 82, 186)

HSLhsl(216, 85%, 39%)

HSVhsv(216, 92%, 73%)

CMYKcmyk(92%, 56%, 0%, 27%)

Copy CSS

color: #0f52ba;
/* rgb  */ color: rgb(15, 82, 186);
/* hsl  */ color: hsl(216, 85%, 39%);

Contrast

On whitePass · 7.15 : 1

On ink blackFail · 2.68 : 1

Shades

Tints

Pairings

About Sapphire

Sapphire is the hex color #0F52BA, which translates to rgb(15, 82, 186) in RGB and hsl(216, 85%, 39%) in HSL. On the color wheel it sits at 216 degrees, with a saturation of 85 percent and a lightness of 39 percent. That combination gives Sapphire a saturated mid tone: strong enough for buttons and links, still calm enough for larger areas.

How Sapphire compares

The closest standard CSS keyword is royalblue (#4169E1), a CIE76 distance of 12.6 away in CIELAB. That is a visible difference, so the keyword is not a substitute here. In the Tailwind CSS 4.3.1 palette the nearest token is blue-900 (#1C398E), at a distance of 14.2. Inside this library the closest neighbour is Cerulean Blue at 3.8. Sorted by lightness, Sapphire is number 8 of the 30 blue colors here.

Text on Sapphire

2 of the five common text colors below clear WCAG AA for normal text on Sapphire, led by White at 7.15:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Sapphire already loaded as the background.

Contrast of common text colors on Sapphire. AA normal text needs 4.5:1, AA large text and non-text elements need 3:1, AAA normal text needs 7:1.
Text color	Ratio	AA normal	AA large	AAA normal
White #FFFFFF	7.15:1	Pass	Pass	Pass
Ink black #0F0F12	2.68:1	Fail	Fail	Fail
Mid grey #6B7280	1.48:1	Fail	Fail	Fail
Dark grey #374151	1.44:1	Fail	Fail	Fail
Light grey #E5E7EB	5.78:1	Pass	Pass	Fail

Building a palette around Sapphire

The pairings above give you three classic starting points. The complementary color sits opposite on the wheel and works well as an accent that draws the eye. The analogous colors sit right beside Sapphire for calmer, harmonious combinations. The triadic pair spaces three hues evenly for a balanced, energetic palette. Open any swatch to explore it as its own color.

Full values for Sapphire

Format	Value
HEX	#0F52BA
RGB	rgb(15, 82, 186)
HSL	hsl(216, 85%, 39%)
HSV	hsv(216, 92%, 73%)
CMYK	cmyk(92%, 56%, 0%, 27%)
OKLCH	oklch(46.65% 0.1763 260.01)
CIELAB	lab(37.26 21.77 -60.04)

Use Sapphire in a tool

Nearby colors

Last updated 5 August 2026 by FusionStudios. Every value on this page is computed by the same functions the tools use. How this is calculated.