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Inviting Mariner

#488d9d
Notes

Inviting Mariner (#488D9D) is a true cyan with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (191°, 37%, 45%) 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
#488d9d
RGB
rgb(72, 141, 157)
HSL
hsl(191, 37%, 45%)
HWB
hwb(191 28% 38%)
OKLCH
oklch(60.5% 0.074 214.8)
P3
color(display-p3 0.3502 0.5465 0.6075)
HSV
hsv(191, 54%, 62%)
LAB
lab(54.93% -17.11 -15.16)
LCH
lch(54.93% 22.86 221.54)
CMYK
cmyk(54%, 10%, 0%, 38%)

Etymology

Inviting
adjective

Latin invītāre, to invite — present-participle of invite. As a color modifier, inviting implies a clear-and-cordial-and-encouraging quality where the hue carries the visual register of warm-inviting-and-encouraging entrance-foyer color tone. Sits at the crisp-and-cheerful end of the grid, parallel to welcoming and hospitable in usage.

Mariner
noun

One who sails the sea — from the Latin mare. As a color name, mariner refers to the deep navy-and-cyan of traditional naval and merchant-marine uniforms: a saturated, slightly muted blue with the matte finish of dyed wool. Cooler than navy, warmer than ocean, with the maritime-uniform association of a word that always implies a working boat rather than a recreational one.

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.

#488d9d
Original
#81899e
Protanopia
#747f9d
Deuteranopia
#029392
Tritanopia
#7f7f7f
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
3.77:1
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
5.57:1

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
##488D9D
Display P3
Display P3
color(display-p3 0.3502 0.5465 0.6075)
Inside sRGBOKLCH chroma 0.074

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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