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Heavy Ophiuchus Royal

#435df7
Notes

Heavy Ophiuchus Royal (#435DF7) is a true blue with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (231°, 92%, 62%) 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
#435df7
RGB
rgb(67, 93, 247)
HSL
hsl(231, 92%, 62%)
HWB
hwb(231 26% 3%)
OKLCH
oklch(55.6% 0.230 269.7)
P3
color(display-p3 0.2841 0.3619 0.9337)
HSV
hsv(231, 73%, 97%)
LAB
lab(46.62% 41.70 -79.59)
LCH
lch(46.62% 89.85 297.65)
CMYK
cmyk(73%, 62%, 0%, 3%)

Etymology

Heavy
adjective

Old English hefig, weighty — cognate with heave. Used as a color modifier since at least the seventeenth century to indicate weight in saturation as much as value: heavy with pigment, heavy-bodied. In the engine's adjective grid, heavy sits alongside deep and plush in the dark-and-saturated quadrant. Closer to a fabric description than a pure value word.

Ophiuchus
modifier

Greek Ὀφιοῦχος, serpent-bearer. As a color modifier, ophiuchus implies a serpent-bearer-and-thirteenth-sign-and-Asclepius quality, the visual register of Hellenic-Ophiuchus-and-Asclepius-serpent-bearer hand-serpent-bearer-and-thirteenth-sign-and-Asclepius Hellenic-Ophiuchus-and-Asclepius-serpent-bearer-and-Rod-of-Asclepius ophiuchus-and-serpent-bearer-and-thirteenth-sign surfaces under Hellenic-Ophiuchus-and-Asclepius-serpent-bearer-and-Rod-of-Asclepius autumn-and-November-and-December serpent-bearer-light. Sits at the modifier-and-zodiac end of the grid, parallel to scorpio and sagittarius 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.

#435df7
Original
#0077fc
Protanopia
#0066f4
Deuteranopia
#0085a1
Tritanopia
#636363
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
5.06:1
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
4.15:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##435DF7
Display P3
Display P3
color(display-p3 0.2841 0.3619 0.9337)
P3 has visible headroomOKLCH chroma 0.230

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

Related Colors

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