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Peaceful Curaçao

#3b7b8a
Notes

Peaceful Curaçao (#3B7B8A) 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°, 40%, 39%) 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
#3b7b8a
RGB
rgb(59, 123, 138)
HSL
hsl(191, 40%, 39%)
HWB
hwb(191 23% 46%)
OKLCH
oklch(54.7% 0.069 215.2)
P3
color(display-p3 0.2957 0.4765 0.5336)
HSV
hsv(191, 57%, 54%)
LAB
lab(48.17% -15.90 -14.38)
LCH
lch(48.17% 21.44 222.13)
CMYK
cmyk(57%, 11%, 0%, 46%)

Etymology

Peaceful
adjective

Latin pāx, peace — adjectival suffix -ful. As a color modifier, peaceful implies a clear-and-restful-and-calm quality where the hue carries the visual register of Quaker-meeting-house still-and-meditative interior atmosphere. Sits at the crisp-and-calm end of the grid, parallel to serene and placid in usage.

Curaçao
noun

The Caribbean liqueur made from the dried peel of the Citrus aurantium currassuviensis (Laraha orange) — produced on the Dutch Caribbean island of Curaçao since 1896. Blue Curaçao refers to the artificially-colored bright blue variant: a saturated, slightly cool electric blue with the optical clarity of citrus liqueur.

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.

#3b7b8a
Original
#70778b
Protanopia
#646f8a
Deuteranopia
#008180
Tritanopia
#6e6e6e
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
4.79:1
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
4.39:1

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
##3B7B8A
Display P3
Display P3
color(display-p3 0.2957 0.4765 0.5336)
Inside sRGBOKLCH chroma 0.069

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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