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Sober Santorini

#3a5b66
Notes

Sober Santorini (#3A5B66) is a deep 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 (195°, 28%, 31%) places it in the muted 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3a5b66
RGB
rgb(58, 91, 102)
HSL
hsl(195, 28%, 31%)
HWB
hwb(195 23% 60%)
OKLCH
oklch(45.0% 0.042 220.9)
P3
color(display-p3 0.2561 0.3535 0.3948)
HSV
hsv(195, 43%, 40%)
LAB
lab(36.63% -8.81 -10.09)
LCH
lch(36.63% 13.40 228.89)
CMYK
cmyk(43%, 11%, 0%, 60%)

Etymology

Sober
adjective

Latin sobrius, not drunk — drifted in English to mean restrained. Used as a color modifier since the sixteenth century for hues that read as serious and unflashy. Sober brown, sober navy: low-to-moderate saturation combined with optical restraint. Sits at the hushed-bucket alongside quiet and modest.

Santorini
noun

The volcanic Cycladic island — and the saturated blue of Santorini's caldera water and the cobalt-blue domes of Oia church. Santorini refers to the caldera at sunset: a saturated, slightly cool deep blue with the optical depth of volcanic-bottomed Aegean 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.

#3a5b66
Original
#545967
Protanopia
#4e5466
Deuteranopia
#285f5e
Tritanopia
#555555
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
7.32:1
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
2.87:1

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
##3A5B66
Display P3
Display P3
color(display-p3 0.2561 0.3535 0.3948)
Inside sRGBOKLCH chroma 0.042

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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