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Pellucid Comet Ocean

#1e7287
Notes

Pellucid Comet Ocean (#1E7287) is a deep cyan with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (192°, 64%, 32%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#1e7287
RGB
rgb(30, 114, 135)
HSL
hsl(192, 64%, 32%)
HWB
hwb(192 12% 47%)
OKLCH
oklch(51.3% 0.083 218.7)
P3
color(display-p3 0.2225 0.4406 0.5200)
HSV
hsv(192, 78%, 53%)
LAB
lab(44.32% -16.89 -18.56)
LCH
lch(44.32% 25.09 227.71)
CMYK
cmyk(78%, 16%, 0%, 47%)

Etymology

Pellucid
adjective

Latin pellūcidus, transparent — derived from per-lūcēre (to shine through). As a color modifier, pellucid implies a clear-and-translucent quality where the hue reads with optical clarity and minimal turbidity. Sits at the crisp-and-clear end of the grid, parallel to lucid and translucent in usage.

Comet
modifier

Greek κομήτης, long-haired-or-tailed-star. As a color modifier, comet implies an icy-and-tailed-and-streaked quality, the visual register of Halley-and-Hale-Bopp-comet hand-icy-and-tailed-and-streaked Halley-and-Hale-Bopp-and-Encke-comet comet-and-icy-and-tailed-and-streaked surfaces under Halley-and-Hale-Bopp-and-Encke-comet sun-grazing-and-coma-and-ion-tail outer-system-arc-light. Sits at the modifier-and-cosmic end of the grid, parallel to meteor and nebula in usage.

Ocean
noun

The body of saltwater that covers seventy percent of Earth's surface — a single connected mass divided by convention into Atlantic, Pacific, Indian, Southern, and Arctic. The color refers to the average reflectance of mid-depth temperate ocean: a saturated, slightly green-shifted deep blue with the optical depth of a body of water that absorbs all light below the photic zone. Deeper than mediterranean, cooler than peacock.

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.

#1e7287
Original
#656f88
Protanopia
#576487
Deuteranopia
#007979
Tritanopia
#626262
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
5.51:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.81:1

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
##1E7287
Display P3
Display P3
color(display-p3 0.2225 0.4406 0.5200)
P3 has subtle headroomOKLCH chroma 0.083

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