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Glittering Uranus Turquoise

#28b8e9
Notes

Glittering Uranus Turquoise (#28B8E9) 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 (195°, 81%, 54%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#28b8e9
RGB
rgb(40, 184, 233)
HSL
hsl(195, 81%, 54%)
HWB
hwb(195 16% 9%)
OKLCH
oklch(73.2% 0.133 227.2)
P3
color(display-p3 0.3535 0.7112 0.8947)
HSV
hsv(195, 83%, 91%)
LAB
lab(69.90% -19.85 -34.73)
LCH
lch(69.90% 40.00 240.24)
CMYK
cmyk(83%, 21%, 0%, 9%)

Etymology

Glittering
adjective

Old Norse glitra, to shine — present-participle of glitter. As a color modifier, glittering implies a saturated-and-multi-point-reflective quality, the bright color of sequined-and-rhinestone fabric-and-gem-decoration surfaces. Sits at the bright-and-reflective end of the grid, parallel to sparkling and glistening in usage.

Uranus
modifier

Greek Οὐρανός, primeval-sky-god-and-seventh-planet. As a color modifier, uranus implies a primeval-sky-god-and-pale-cyan-seventh-planet quality, the visual register of Greek-Uranus-and-Herschel-discovery hand-primeval-sky-god-and-pale-cyan-seventh-planet Greek-Uranus-and-Herschel-discovery-and-tilted-axis uranus-and-primeval-sky-god surfaces under Greek-Uranus-and-Herschel-discovery-and-tilted-axis 1781-Slough-discovery-and-side-rolling-planet pale-cyan-planet-light. Sits at the modifier-and-zodiac end of the grid, parallel to neptune and saturn in usage.

Turquoise
noun

The hydrated copper-aluminum phosphate mined in Persia and the American Southwest for thousands of years — the firuze of Iran, the chalchihuitl of Mesoamerica, the heart of Pueblo and Navajo silverwork. The color refers to a fine Sleeping Beauty turquoise from Arizona: a saturated, slightly green-shifted blue with the slight matrix of host-rock veining. Brighter than persian, lighter than cerulean.

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.

#28b8e9
Original
#9eb5eb
Protanopia
#85a3e8
Deuteranopia
#00c6c8
Tritanopia
#9d9d9d
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
2.30:1
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
9.12:1

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
##28B8E9
Display P3
Display P3
color(display-p3 0.3535 0.7112 0.8947)
P3 has subtle headroomOKLCH chroma 0.133

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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