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Untroubled Aegean

#1c78b8
Notes

Untroubled Aegean (#1C78B8) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (205°, 74%, 42%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1c78b8
RGB
rgb(28, 120, 184)
HSL
hsl(205, 74%, 42%)
HWB
hwb(205 11% 28%)
OKLCH
oklch(55.3% 0.128 245.2)
HSV
hsv(205, 85%, 72%)
LAB
lab(48.43% -2.56 -40.92)
LCH
lch(48.43% 41.00 266.42)
CMYK
cmyk(85%, 35%, 0%, 28%)

Etymology

Untroubled
adjective

Latin turbāre, to disturb — negative-prefix un- plus past-participle of trouble. As a color modifier, untroubled implies a clear-and-calm-and-undisturbed quality where the hue carries no visual agitation. Sits at the crisp-and-calm end of the grid, parallel to serene and placid in usage.

Aegean
noun

The body of saltwater between Greece and Turkey, dotted with the Cycladic and Dodecanese islands — the sea that floats Athenian, Cycladic, and Minoan civilization across three thousand years. The color refers to the average mid-summer reflectance of Aegean water near Santorini: a saturated, slightly green-shifted blue with the optical complexity of a sea where volcanic and limestone bedrock both reach the shore. Brighter than mediterranean, deeper than capri.

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

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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.

#1c78b8
Original
#5a7bbb
Protanopia
#436db7
Deuteranopia
#00888f
Tritanopia
#696969
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
4.74:1
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
4.43:1

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