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Pristine Lone Ocean

#27758f
Notes

Pristine Lone Ocean (#27758F) is a true cyan with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (195°, 57%, 36%) 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
#27758f
RGB
rgb(39, 117, 143)
HSL
hsl(195, 57%, 36%)
HWB
hwb(195 15% 44%)
OKLCH
oklch(52.7% 0.084 224.2)
P3
color(display-p3 0.2434 0.4525 0.5500)
HSV
hsv(195, 73%, 56%)
LAB
lab(45.82% -14.56 -20.99)
LCH
lch(45.82% 25.55 235.25)
CMYK
cmyk(73%, 18%, 0%, 44%)

Etymology

Pristine
adjective

Latin prīstinus, original / former. As a color modifier, pristine implies a clear-and-untouched quality where the hue carries the original-condition visual register without wear or fade. Sits at the crisp-and-clean end of the grid, parallel to unblemished and spotless in usage.

Lone
modifier

Middle English lone, shortened from alone. As a color modifier, lone implies a solitary-and-singular-and-isolated quality, the visual register of Caspar-David-Friedrich-Wanderer-and-lone-pine hand-solitary-and-singular-and-isolated Caspar-David-Friedrich-Wanderer-and-lone-pine-and-Romantic-vista loned-and-solitary-and-singular-and-isolated surfaces under Caspar-David-Friedrich-Wanderer-and-lone-pine-and-Romantic-vista mountaintop-and-empty-shore single-figure-light. Sits at the modifier-and-mood end of the grid, parallel to void and drear 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.

#27758f
Original
#667290
Protanopia
#58688f
Deuteranopia
#007d7d
Tritanopia
#666666
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
5.21:1
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
4.03:1

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
##27758F
Display P3
Display P3
color(display-p3 0.2434 0.4525 0.5500)
P3 has subtle headroomOKLCH chroma 0.084

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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