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Hemmed Indigobird

#30c1e9
Notes

Hemmed Indigobird (#30C1E9) 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 (193°, 81%, 55%) 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.

HEX
#30c1e9
RGB
rgb(48, 193, 233)
HSL
hsl(193, 81%, 55%)
HWB
hwb(193 19% 9%)
OKLCH
oklch(75.5% 0.129 221.6)
P3
color(display-p3 0.3796 0.7462 0.8968)
HSV
hsv(193, 79%, 91%)
LAB
lab(72.66% -23.80 -30.46)
LCH
lch(72.66% 38.66 232.00)
CMYK
cmyk(79%, 17%, 0%, 9%)

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.

Indigobird
noun

The genus Vidua — African parasitic finches whose males display saturated indigo-blue plumage in breeding season. The color refers to a male V. chalybeata (village indigobird) in breeding plumage: a saturated, slightly cool deep blue-violet with the iridescent satin finish of structural feather color.

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.

#30c1e9
Original
#a9bceb
Protanopia
#91abe9
Deuteranopia
#00cece
Tritanopia
#a5a5a5
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
2.11:1
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
9.93:1

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
##30C1E9
Display P3
Display P3
color(display-p3 0.3796 0.7462 0.8968)
P3 has subtle headroomOKLCH chroma 0.129

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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