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Flat Loggia Lagoon

#1fb2d3
Notes

Flat Loggia Lagoon (#1FB2D3) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (191°, 74%, 47%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1fb2d3
RGB
rgb(31, 178, 211)
HSL
hsl(191, 74%, 47%)
HWB
hwb(191 12% 17%)
OKLCH
oklch(70.7% 0.122 218.3)
P3
color(display-p3 0.3324 0.6878 0.8127)
HSV
hsv(191, 85%, 83%)
LAB
lab(67.15% -24.77 -26.95)
LCH
lch(67.15% 36.61 227.41)
CMYK
cmyk(85%, 16%, 0%, 17%)

Etymology

Flat
adjective

Old Norse flatr, flat / level. As a color modifier, flat implies a clear-and-evenly-spread quality where the hue carries the matte-finish visual register of unmodulated single-plane surface. Sits at the crisp-and-balanced end of the grid, parallel to level and even in usage.

Loggia
modifier

Italian loggia, roofed-open-gallery. As a color modifier, loggia implies an Italian-and-Mediterranean-roofed-open-gallery quality, the visual register of Italian-Renaissance-and-Mediterranean-loggia hand-built roofed-open-gallery loggia-and-arcade-and-pergola architectural surfaces under Italian-Renaissance-and-Mediterranean loggia-arcade afternoon light. Sits at the modifier-and-architecture end of the grid, parallel to atrium and stoa in usage.

Lagoon
noun

A shallow body of saltwater partially or fully enclosed by a barrier — coral atoll lagoons in the Pacific, Venice's Laguna Veneta, the Florida Keys' backcountry. The color refers to the average reflectance of a calm tropical lagoon at midday: a saturated, slightly muted blue-green with the optical clarity of shallow water over white sand. Brighter than reef, cooler than aquamarine, with the postcard weight of a Pacific atoll seen from above.

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.

#1fb2d3
Original
#9dadd5
Protanopia
#869cd3
Deuteranopia
#00bdbc
Tritanopia
#959595
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).
Failon White
2.51:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
8.37:1

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
##1FB2D3
Display P3
Display P3
color(display-p3 0.3324 0.6878 0.8127)
P3 has subtle headroomOKLCH chroma 0.122

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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