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Bastioned Satyr Cerulean

#1489d3
Notes

Bastioned Satyr Cerulean (#1489D3) 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 (203°, 83%, 45%) 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
#1489d3
RGB
rgb(20, 137, 211)
HSL
hsl(203, 83%, 45%)
HWB
hwb(203 8% 17%)
OKLCH
oklch(60.8% 0.146 244.6)
HSV
hsv(203, 91%, 83%)
LAB
lab(54.80% -2.98 -46.24)
LCH
lch(54.80% 46.33 266.31)
CMYK
cmyk(91%, 35%, 0%, 17%)

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.

Satyr
modifier

Greek σάτυρος, half-goat-and-Dionysian-companion. As a color modifier, satyr implies a half-goat-and-Dionysian-revel-and-pastoral quality, the visual register of Hellenic-Satyr-and-Dionysian-revel hand-half-goat-and-Dionysian-revel-and-pastoral Hellenic-Satyr-and-Dionysian-revel-and-Pan-pipes satyr-and-half-goat-and-Dionysian-revel surfaces under Hellenic-Satyr-and-Dionysian-revel-and-Pan-pipes Bacchic-procession-and-vine-leaf-crown Dionysian-revel-light. Sits at the modifier-and-myth end of the grid, parallel to faun and nymph in usage.

Cerulean
noun

From the Latin caeruleum, originally referring to dark blue paint pigment of the Roman world, then via French céruléen into English. As a modern art-supply name, cerulean blue is the cobalt-tin oxide pigment introduced in 1805. The color refers to a clean, slightly green-shifted blue with the matte finish of mineral pigment in linseed oil: lighter than cobalt, deeper than aqua, with the painter's weight of a word for 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

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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.

#1489d3
Original
#658cd6
Protanopia
#4a7cd2
Deuteranopia
#009ba4
Tritanopia
#757575
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
3.78:1
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
5.55:1

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