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Sparking Cyan

#1cd1e8
Notes

Sparking Cyan (#1CD1E8) 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 (187°, 82%, 51%) 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
#1cd1e8
RGB
rgb(28, 209, 232)
HSL
hsl(187, 82%, 51%)
HWB
hwb(187 11% 9%)
OKLCH
oklch(78.9% 0.133 209.2)
HSV
hsv(187, 88%, 91%)
LAB
lab(77.08% -33.40 -23.17)
LCH
lch(77.08% 40.65 214.75)
CMYK
cmyk(88%, 10%, 0%, 9%)

Etymology

Sparking
adjective

Old English spearca, spark — present-participle of spark. As a color modifier, sparking implies a saturated-and-electrical-emission quality, the bright color of welding-arc-and-Tesla-coil high-voltage spark-discharge emission. Sits at the bright-and-electric end of the grid, parallel to flashing and coruscating in usage.

Cyan
noun

From the Greek kyanos, deep blue, originally referring to the lapis-derived blue of antiquity. In modern usage, cyan is one of the four printing primaries (with magenta, yellow, and black) and an additive primary on screens. The color refers to a pure CMYK cyan tile: a saturated, clean blue-green with the optical brightness of an additive-color primary. Cooler than turquoise, lighter than cerulean, with the technical specificity of a color defined by a printing-press standard.

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.

#1cd1e8
Original
#bdc9e9
Protanopia
#a4b6e8
Deuteranopia
#00dbd8
Tritanopia
#acacac
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
1.85:1
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
11.33:1

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