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Opulent Cygnus Royal

#1e5fd8
Notes

Opulent Cygnus Royal (#1E5FD8) 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 (219°, 76%, 48%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1e5fd8
RGB
rgb(30, 95, 216)
HSL
hsl(219, 76%, 48%)
HWB
hwb(219 12% 15%)
OKLCH
oklch(52.1% 0.197 261.5)
HSV
hsv(219, 86%, 85%)
LAB
lab(43.38% 25.85 -67.43)
LCH
lch(43.38% 72.21 290.97)
CMYK
cmyk(86%, 56%, 0%, 15%)

Etymology

Opulent
adjective

Latin opulentus, rich / wealthy — derived from ops (wealth). As a color modifier, opulent implies a saturated-and-luxurious quality, the deep-rich color of Belle-Époque and Gilded-Age interior-decoration silk-and-velvet textiles. Sits at the bold-and-saturated end of the grid, parallel to lavish and sumptuous.

Cygnus
modifier

Latin cygnus, swan. As a color modifier, cygnus implies a swan-flying-and-Northern-Cross quality, the visual register of Cygnus-Swan-and-Northern-Cross hand-swan-flying-and-Northern-Cross Cygnus-Swan-and-Northern-Cross-and-Bortle-1-sky cygnus-and-swan-flying-and-Northern-Cross surfaces under Cygnus-Swan-and-Northern-Cross-and-Bortle-1-sky August-and-September-late-summer-zenith Milky-Way-stellar-light. Sits at the modifier-and-cosmic end of the grid, parallel to deneb and lyra in usage.

Royal
noun

The blue of European royal court dress and regalia from the late seventeenth century forward — the color of British peers' robes, French royal sashes, the lining of the crown-jewel cases. The color refers to a saturated, slightly violet-shifted blue with the matte finish of velvet or melton wool dyed to maximum intensity: deeper than cornflower, warmer than ultramarine, with the heraldic weight of a color reserved for monarchs and the official Crown.

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.

#1e5fd8
Original
#006fdc
Protanopia
#005ed6
Deuteranopia
#007e92
Tritanopia
#5a5a5a
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).
AAon White
5.70:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.68:1

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