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Bulky Goluboy

#4988d6
Notes

Bulky Goluboy (#4988D6) is a true azure with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (213°, 63%, 56%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4988d6
RGB
rgb(73, 136, 214)
HSL
hsl(213, 63%, 56%)
HWB
hwb(213 29% 16%)
OKLCH
oklch(62.1% 0.135 254.9)
P3
color(display-p3 0.3467 0.5274 0.8160)
HSV
hsv(213, 66%, 84%)
LAB
lab(55.96% 4.45 -46.01)
LCH
lch(55.96% 46.22 275.52)
CMYK
cmyk(66%, 36%, 0%, 16%)

Etymology

Bulky
adjective

Old Norse búlki, cargo / mass — adjectival suffix -y. As a color modifier, bulky implies a saturated-and-massive-and-occupying quality where the hue takes up visual space with broad-and-heavy presence. Sits at the bold-and-weighty end of the grid, parallel to hefty and substantial in usage.

Goluboy
noun

The Russian word for light blue — distinct from sinii (deep blue) in Russian color vocabulary, which (uniquely among major languages) names two separate basic blue categories. The color refers to a goluboy-painted Russian dacha shutter: a soft, slightly cool pale blue with the matte finish of weathered linseed-oil paint.

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.

#4988d6
Original
#668dd9
Protanopia
#5180d4
Deuteranopia
#009aa5
Tritanopia
#808080
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
3.64:1
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
5.78:1

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
##4988D6
Display P3
Display P3
color(display-p3 0.3467 0.5274 0.8160)
P3 has subtle headroomOKLCH chroma 0.135

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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