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Tenacious Bondi

#1f7bd4
Notes

Tenacious Bondi (#1F7BD4) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (210°, 74%, 48%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#1f7bd4
RGB
rgb(31, 123, 212)
HSL
hsl(210, 74%, 48%)
HWB
hwb(210 12% 17%)
OKLCH
oklch(57.8% 0.159 252.4)
HSV
hsv(210, 85%, 83%)
LAB
lab(50.93% 6.54 -52.97)
LCH
lch(50.93% 53.37 277.04)
CMYK
cmyk(85%, 42%, 0%, 17%)

Etymology

Tenacious
adjective

Latin tenāx, holding-fast — adjectival suffix -ous. As a color modifier, tenacious implies a saturated-and-clinging quality where the hue grips its substrate with stubborn pigmentation. Sits at the bold-and-resilient end of the grid, parallel to unyielding and adamant in usage.

Bondi
noun

Bondi Beach, the kilometer of golden sand and surf in eastern Sydney — Australian for water breaking over rocks, from the Aboriginal Dharug word boondi. The color refers to mid-depth Bondi water on a sunny morning: a saturated, slightly green-shifted blue with the optical clarity of South Pacific water hitting a sandstone shoreline. Brighter than aegean, cooler than caribbean, with the surf-culture association of a beach featured in a million postcards.

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

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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.

#1f7bd4
Original
#4e82d7
Protanopia
#2c72d2
Deuteranopia
#00909d
Tritanopia
#6e6e6e
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
4.34:1
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
4.84:1

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