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Buzzing Azure

#2b9af1
Notes

Buzzing Azure (#2B9AF1) is a true azure with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (206°, 88%, 56%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2b9af1
RGB
rgb(43, 154, 241)
HSL
hsl(206, 88%, 56%)
HWB
hwb(206 17% 5%)
OKLCH
oklch(66.8% 0.161 247.6)
HSV
hsv(206, 82%, 95%)
LAB
lab(61.63% -0.25 -52.09)
LCH
lch(61.63% 52.09 269.72)
CMYK
cmyk(82%, 36%, 0%, 5%)

Etymology

Buzzing
adjective

The progressive participle of buzz — borrowed metaphorically as a color word since the late twentieth century for hues that read as visually loud and slightly destabilizing. Buzzing yellow, buzzing magenta: the implication is saturation pushed past comfortable into the realm of optical agitation. Sits at the bright-bucket extreme alongside electric.

Azure
noun

From the Persian lāzhuward, lapis lazuli, through the Arabic al-lāzaward and the Old French azur — the Western color name carries with it an entire trade route from Afghan mines to Renaissance pigment shops. The color refers to the heraldic azure of medieval blazonry: a clean, slightly muted mid-blue with the matte finish of pigment in tempera. Lighter than ultramarine, deeper than sky.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#2b9af1
Original
#719ef5
Protanopia
#538def
Deuteranopia
#00afba
Tritanopia
#898989
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon White
3.00:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
7.00:1

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