Mapped Ishtar Sky
Mapped Ishtar Sky (#3DA3E0) 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 (202°, 72%, 56%) 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.
Etymology
Latin mappa, cloth / napkin — past-participle of map. As a color modifier, mapped implies a clear-and-cartographic-and-surveyed quality, the crisp color of Ordnance-Survey-and-USGS scientific-and-cadastral cartographic-and-topographic mapping-and-projection. Sits at the crisp-and-mapped end of the grid, parallel to plotted and surveyed in usage.
Akkadian Ištar, Babylonian-goddess-of-love-and-war. As a color modifier, ishtar implies a Babylonian-Venus-and-eight-pointed-star quality, the visual register of Babylonian-Ishtar-Gate-and-Mesopotamian-temple hand-Babylonian-Venus-and-eight-pointed-star Babylonian-Ishtar-Gate-and-Mesopotamian-temple-and-Akkadian-cylinder-seal ishtar-and-Babylonian-Venus-and-eight-pointed-star surfaces under Babylonian-Ishtar-Gate-and-Mesopotamian-temple-and-Akkadian-cylinder-seal Babylon-and-Nineveh-and-Mari blue-glazed-brick-light. Sits at the modifier-and-myth end of the grid, parallel to isis and hera in usage.
The blue of a clear sky at noon — produced by Rayleigh scattering, the preferential dispersion of shorter wavelengths through atmospheric molecules. Air itself is colorless; the color we see is sunlight scattered toward our eyes by every cubic kilometer above. The reference shade is mid-latitude noon under a high pressure system: a clean, slightly green-shifted blue with the luminous depth of light scattered across an entire hemisphere of air.
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 exploreHarmonies
Accessibility
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.
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.