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Translucent Cascade

#1e8cba
Notes

Translucent Cascade (#1E8CBA) 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 (198°, 72%, 42%) 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.

HEX
#1e8cba
RGB
rgb(30, 140, 186)
HSL
hsl(198, 72%, 42%)
HWB
hwb(198 12% 27%)
OKLCH
oklch(60.3% 0.115 232.3)
P3
color(display-p3 0.2653 0.5410 0.7127)
HSV
hsv(198, 84%, 73%)
LAB
lab(54.63% -13.26 -32.33)
LCH
lch(54.63% 34.94 247.69)
CMYK
cmyk(84%, 25%, 0%, 27%)

Etymology

Translucent
adjective

Latin trans-lūcēre, to shine through — present-participle of translucere. As a color modifier, translucent implies a clear-and-light-passing quality where the hue allows partial light-transmission through its visual surface. Sits at the crisp-and-clear end of the grid, parallel to pellucid and vitreous in usage.

Cascade
noun

A waterfall of moderate size — particularly the Cascade Range of waterfalls along the Pacific Northwest's Columbia River Gorge. Cascade color refers to the white-and-blue of falling water at Multnomah Falls: a soft, slightly cool pale blue-white with the optical complexity of mist-and-water in motion.

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.

#1e8cba
Original
#758bbc
Protanopia
#617cb9
Deuteranopia
#00989c
Tritanopia
#787878
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
3.81:1
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
5.52:1

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
##1E8CBA
Display P3
Display P3
color(display-p3 0.2653 0.5410 0.7127)
P3 has subtle headroomOKLCH chroma 0.115

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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Canvas