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Grounded Lac

#b3278a
Notes

Grounded Lac (#B3278A) is a true magenta 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 (318°, 64%, 43%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b3278a
RGB
rgb(179, 39, 138)
HSL
hsl(318, 64%, 43%)
HWB
hwb(318 15% 30%)
OKLCH
oklch(53.1% 0.199 342.9)
P3
color(display-p3 0.6456 0.2047 0.5277)
HSV
hsv(318, 78%, 70%)
LAB
lab(42.57% 63.15 -21.92)
LCH
lch(42.57% 66.85 340.86)
CMYK
cmyk(0%, 78%, 23%, 30%)

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.

Lac
noun

Indian and Southeast Asian lac insect (Kerria lacca) — a small scale insect that secretes a deep-magenta resinous coating on host-tree branches, harvested for shellac varnish and lac dye. Lac color refers to a freshly lac-dyed Indian wool namda felt rug: a saturated, slightly cool deep magenta with the matte finish of multi-bath insect-resin-dyed wool. The English word lacquer comes from the same root.

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.

#b3278a
Original
#37568d
Protanopia
#636d87
Deuteranopia
#bf2856
Tritanopia
#4c4c4c
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).
AAon White
5.88:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.57:1

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
##B3278A
Display P3
Display P3
color(display-p3 0.6456 0.2047 0.5277)
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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