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Translucent Heaven

#048f9b
Notes

Translucent Heaven (#048F9B) is a deep cyan with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (185°, 95%, 31%) places it in the highly saturated band at a dark 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
#048f9b
RGB
rgb(4, 143, 155)
HSL
hsl(185, 95%, 31%)
HWB
hwb(185 2% 39%)
OKLCH
oklch(59.4% 0.101 205.3)
HSV
hsv(185, 97%, 61%)
LAB
lab(54.06% -27.16 -15.45)
LCH
lch(54.06% 31.25 209.63)
CMYK
cmyk(97%, 8%, 0%, 39%)

Etymology

Translucent
adjective

Latin trans-lūcēre, to shine through — present-participle of translucere. As a color modifier, translucent implies a clear-and-light-passing quality where the hue allows partial light-transmission through its visual surface. Sits at the crisp-and-clear end of the grid, parallel to pellucid and vitreous in usage.

Heaven
noun

The vault of the sky and (in religious vocabulary) the realm of the divine — and the saturated blue used in medieval European religious painting for sky, Mary's mantle, and divine background. Heaven color refers to a Florentine Annunciation azure background: a saturated, slightly cool deep blue with the matte finish of ultramarine pigment in tempera.

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.

#048f9b
Original
#82899c
Protanopia
#707c9b
Deuteranopia
#009692
Tritanopia
#727272
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
3.88:1
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
5.41:1

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Canvas