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Direct Atacama

#3f5b72
Notes

Direct Atacama (#3F5B72) is a true azure 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 (207°, 29%, 35%) places it in the muted 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
#3f5b72
RGB
rgb(63, 91, 114)
HSL
hsl(207, 29%, 35%)
HWB
hwb(207 25% 55%)
OKLCH
oklch(45.9% 0.050 244.0)
P3
color(display-p3 0.2705 0.3539 0.4387)
HSV
hsv(207, 45%, 45%)
LAB
lab(37.40% -3.73 -16.33)
LCH
lch(37.40% 16.75 257.15)
CMYK
cmyk(45%, 20%, 0%, 55%)

Etymology

Direct
adjective

From the Latin directus, straight — used as a color modifier since the eighteenth century for hues that read as straightforward and unambiguous. Direct red, direct green: moderate-to-high saturation combined with optical clarity. Sits at the crisp-bucket center alongside clear and frank.

Atacama
noun

The Chilean Atacama Desert — and the saturated deep blue of Atacaman lakes (Laguna Verde, Laguna Miscanti) at high altitude in the Andean Altiplano. Atacama refers to Laguna Miscanti at midday: a saturated, slightly cool deep blue with the optical depth of high-altitude desert lake 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.

#3f5b72
Original
#515b73
Protanopia
#4b5672
Deuteranopia
#2b6163
Tritanopia
#575757
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).
AAAon White
7.12:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.95:1

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
##3F5B72
Display P3
Display P3
color(display-p3 0.2705 0.3539 0.4387)
Inside sRGBOKLCH chroma 0.050

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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