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Grounded Akebia

#7533b9
Notes

Grounded Akebia (#7533B9) is a true indigo 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 (270°, 57%, 46%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#7533b9
RGB
rgb(117, 51, 185)
HSL
hsl(270, 57%, 46%)
HWB
hwb(270 20% 27%)
OKLCH
oklch(48.3% 0.199 301.8)
P3
color(display-p3 0.4265 0.2148 0.6994)
HSV
hsv(270, 72%, 73%)
LAB
lab(37.21% 53.87 -59.24)
LCH
lch(37.21% 80.07 312.28)
CMYK
cmyk(37%, 72%, 0%, 27%)

Etymology

Grounded
adjective

Old English grund, bottom / foundation — past-participle of ground. As a color modifier, grounded implies a saturated-and-foundational quality where the hue anchors the surrounding palette through its weighty presence. Sits at the bold-and-balanced end of the grid, parallel to centered and anchored.

Akebia
noun

Asian chocolate vine (Akebia quinata) — a deciduous twining vine native to Japan, China, and Korea, with deep-violet five-petaled flowers that release a chocolate-like fragrance in late spring. Akebia color refers to a fully bloomed Akebia quinata female flower: a saturated, slightly cool deep violet with the velvet finish of fused-petaled cup-flower. The Japanese name akebi refers to the pendulous fruit pods.

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.

#7533b9
Original
#0057bd
Protanopia
#0057b6
Deuteranopia
#665473
Tritanopia
#4b4b4b
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
7.17:1
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
2.93:1

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
##7533B9
Display P3
Display P3
color(display-p3 0.4265 0.2148 0.6994)
P3 has visible headroomOKLCH chroma 0.199

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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