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Bastioned Goluboy

#2687ea
Notes

Bastioned Goluboy (#2687EA) 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°, 82%, 53%) 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
#2687ea
RGB
rgb(38, 135, 234)
HSL
hsl(210, 82%, 53%)
HWB
hwb(210 15% 8%)
OKLCH
oklch(62.0% 0.172 253.2)
HSV
hsv(210, 84%, 92%)
LAB
lab(55.76% 8.05 -57.58)
LCH
lch(55.76% 58.14 277.96)
CMYK
cmyk(84%, 42%, 0%, 8%)

Etymology

Bastioned
adjective

Italian bastionato, fortified-with-bastions — past-participle of bastion, derived from bastia (fortified-tower). As a color modifier, bastioned implies a saturated-and-fortified-and-projecting quality, the deep-rich color of Vauban-period military-fortress star-fort projecting-bastion stone-architecture. Sits at the bold-and-fortified end of the grid, parallel to fortified and buttressed.

Goluboy
noun

The Russian word for light blue — distinct from sinii (deep blue) in Russian color vocabulary, which (uniquely among major languages) names two separate basic blue categories. The color refers to a goluboy-painted Russian dacha shutter: a soft, slightly cool pale blue with the matte finish of weathered linseed-oil paint.

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.

#2687ea
Original
#548fee
Protanopia
#2f7ee8
Deuteranopia
#009fad
Tritanopia
#7a7a7a
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
3.66:1
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
5.74:1

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