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Stable Chive Kingfisher

#3398ab
Notes

Stable Chive Kingfisher (#3398AB) 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 (190°, 54%, 44%) 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
#3398ab
RGB
rgb(51, 152, 171)
HSL
hsl(190, 54%, 44%)
HWB
hwb(190 20% 33%)
OKLCH
oklch(63.0% 0.094 212.7)
P3
color(display-p3 0.3189 0.5880 0.6607)
HSV
hsv(190, 70%, 67%)
LAB
lab(58.13% -22.42 -18.36)
LCH
lch(58.13% 28.98 219.31)
CMYK
cmyk(70%, 11%, 0%, 33%)

Etymology

Stable
adjective

Latin stabilis, standing-firm — sharing root with stand. As a color modifier, stable implies a clear-and-firm-and-unchanging quality where the hue carries the visual register of resistant-to-modulation-and-fade pigmentation. Sits at the crisp-and-firm end of the grid, parallel to steady and settled in usage.

Chive
modifier

Latin cepa, small-onion-grass-herb. As a color modifier, chive implies a slim-grass-onion-and-spring-fresh quality, the visual register of English-cottage-garden-and-French-bistro-chive hand-slim-grass-onion-and-spring-fresh English-cottage-garden-and-French-bistro-chive-and-fines-herbes chive-and-slim-grass-onion surfaces under English-cottage-garden-and-French-bistro-chive-and-fines-herbes Sussex-cottage-and-Lyon-bouchon spring-onion-light. Sits at the modifier-and-flavor end of the grid, parallel to dill and chervil in usage.

Kingfisher
noun

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 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.

#3398ab
Original
#8993ac
Protanopia
#7986ab
Deuteranopia
#00a09e
Tritanopia
#848484
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).
AA Largeon White
3.38:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.22:1

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
##3398AB
Display P3
Display P3
color(display-p3 0.3189 0.5880 0.6607)
P3 has subtle headroomOKLCH chroma 0.094

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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