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Engraved Reservoir

#17848d
Notes

Engraved Reservoir (#17848D) 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 (185°, 72%, 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
#17848d
RGB
rgb(23, 132, 141)
HSL
hsl(185, 72%, 32%)
HWB
hwb(185 9% 45%)
OKLCH
oklch(56.1% 0.091 203.7)
P3
color(display-p3 0.2427 0.5099 0.5462)
HSV
hsv(185, 84%, 55%)
LAB
lab(50.22% -25.15 -13.12)
LCH
lch(50.22% 28.37 207.56)
CMYK
cmyk(84%, 6%, 0%, 45%)

Etymology

Engraved
adjective

Old French engraver, to dig in — past-participle of engrave. As a color modifier, engraved implies a clear-and-precisely-cut quality, the crisp color of Albrecht-Dürer-and-Hogarth hand-pulled engraving-print fine-line incised-image. Sits at the crisp-and-incised end of the grid, parallel to etched and inscribed in usage.

Reservoir
noun

A constructed body of water — particularly the dam-impounded reservoirs of arid-region water supply: Lake Mead, Hetch Hetchy, Lake Powell. Reservoir color refers to mid-depth Lake Mead water: a saturated, slightly cool deep blue with the optical depth of stored desert water.

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.

#17848d
Original
#797e8e
Protanopia
#69738d
Deuteranopia
#008a87
Tritanopia
#6d6d6d
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
4.45:1
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
4.72:1

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
##17848D
Display P3
Display P3
color(display-p3 0.2427 0.5099 0.5462)
P3 has subtle headroomOKLCH chroma 0.091

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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