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Diminished Bondi

#42566f
Notes

Diminished Bondi (#42566F) is a true azure with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (213°, 25%, 35%) places it in the muted 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
#42566f
RGB
rgb(66, 86, 111)
HSL
hsl(213, 25%, 35%)
HWB
hwb(213 26% 56%)
OKLCH
oklch(44.7% 0.048 254.3)
P3
color(display-p3 0.2747 0.3350 0.4268)
HSV
hsv(213, 41%, 44%)
LAB
lab(35.91% -0.65 -16.74)
LCH
lch(35.91% 16.75 267.77)
CMYK
cmyk(41%, 23%, 0%, 56%)

Etymology

Diminished
adjective

Latin dīminuere, to lessen — past-participle of diminish. As a color modifier, diminished implies a hushed-and-tone-reduced-and-lessened quality where the hue carries the visual register of intentionally-reduced-and-lessened ambient color treatment. Sits at the hushed-and-soft end of the grid, parallel to lessened and dampened in usage.

Bondi
noun

Bondi Beach, the kilometer of golden sand and surf in eastern Sydney — Australian for water breaking over rocks, from the Aboriginal Dharug word boondi. The color refers to mid-depth Bondi water on a sunny morning: a saturated, slightly green-shifted blue with the optical clarity of South Pacific water hitting a sandstone shoreline. Brighter than aegean, cooler than caribbean, with the surf-culture association of a beach featured in a million postcards.

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.

#42566f
Original
#4d5770
Protanopia
#47526e
Deuteranopia
#335b5e
Tritanopia
#545454
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).
AAAon White
7.52:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.79:1

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
##42566F
Display P3
Display P3
color(display-p3 0.2747 0.3350 0.4268)
Inside sRGBOKLCH chroma 0.048

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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