Modest Akkad Kingfisher
Modest Akkad Kingfisher (#059AB1) is a true cyan with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (188°, 95%, 36%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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.
Etymology
Latin modestus, moderate — used as a color modifier since the sixteenth century for hues that read as understated and unwilling to claim more visual space than they need. Modest taupe, modest beige: moderate-to-low saturation combined with optical restraint. Sits at the crisp-and-quiet edge of the grid alongside quiet and plain.
Akkadian Akkadu, Akkad. As a color modifier, akkad implies a Sargon-and-Mesopotamian-Empire quality, the visual register of Akkadian-Empire-of-Sargon hand-built ziggurat-and-cuneiform-tablet bronze-age Mesopotamian-Imperial surfaces under Sargon-of-Akkad Mesopotamian Imperial-cuneiform sun-baked light. Sits at the modifier-and-cultural end of the grid, parallel to sumer and median in usage.
The family Alcedinidae — particularly Alcedo atthis, the European common kingfisher whose iridescent turquoise-blue plumage gives the color its name. The color refers to a male European kingfisher's wing: a saturated, slightly cool deep blue-green with the iridescent satin finish of structurally colored feathers.
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 exploreHarmonies
Accessibility
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.
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.