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Smothering Bluebonnet

#4c2a8b
Notes

Smothering Bluebonnet (#4C2A8B) is a true indigo 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 (261°, 54%, 35%) 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
#4c2a8b
RGB
rgb(76, 42, 139)
HSL
hsl(261, 54%, 35%)
HWB
hwb(261 16% 45%)
OKLCH
oklch(38.7% 0.152 294.2)
HSV
hsv(261, 70%, 55%)
LAB
lab(26.89% 38.42 -48.43)
LCH
lch(26.89% 61.82 308.42)
CMYK
cmyk(45%, 70%, 0%, 45%)

Etymology

Smothering
adjective

Old English smorian, to suffocate — present-participle of smother. As a color modifier, smothering implies a deep-and-overwhelming-and-pressing quality where the hue is dominated by an enveloping darkness. Sits at the deep-and-overwhelming end of the grid, parallel to suffocating with kinetic register.

Bluebonnet
noun

Lupinus texensis, the Texas state flower whose blue-and-white flower spikes color the highway shoulders of central Texas in March. The color refers to a fresh bluebonnet at peak bloom: a saturated, slightly violet-shifted blue with the matte finish of pea-family florets stacked along a single stem. Cooler than lupin, warmer than indigo, with the regional weight of a flower so identified with one state that it's printed on the license plates.

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

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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.

#4c2a8b
Original
#00418e
Protanopia
#003e89
Deuteranopia
#3a4257
Tritanopia
#383838
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
10.44:1
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
2.01:1

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