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Hemmed Akoya

#37b3da
Notes

Hemmed Akoya (#37B3DA) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (194°, 69%, 54%) 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
#37b3da
RGB
rgb(55, 179, 218)
HSL
hsl(194, 69%, 54%)
HWB
hwb(194 22% 15%)
OKLCH
oklch(71.6% 0.119 223.6)
P3
color(display-p3 0.3679 0.6923 0.8388)
HSV
hsv(194, 75%, 85%)
LAB
lab(68.10% -20.78 -29.30)
LCH
lch(68.10% 35.92 234.66)
CMYK
cmyk(75%, 18%, 0%, 15%)

Etymology

Hemmed
adjective

Old English hem, border — past-participle of hem. As a color modifier, hemmed implies a clear-and-finished-and-bordered quality where the hue carries the visual register of carefully-hemmed-and-finished textile-edge. Sits at the crisp-and-finished end of the grid, parallel to trim and finished in usage.

Akoya
noun

The Japanese saltwater pearl — produced by Pinctada fucata martensii, the small pearl oyster of southern Japanese coastal waters. Akoya pearls have the iridescent pale blue-cream color characteristic of Japanese pearl tradition. The color refers to a strand of Akoya pearls: a soft, slightly cool pale blue with the iridescent satin finish of marine nacre.

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.

#37b3da
Original
#9dafdc
Protanopia
#879fda
Deuteranopia
#00bfc0
Tritanopia
#9b9b9b
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).
Failon White
2.44:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
8.62:1

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
##37B3DA
Display P3
Display P3
color(display-p3 0.3679 0.6923 0.8388)
P3 has subtle headroomOKLCH chroma 0.119

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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