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Murky Bluebonnet

#333696
Notes

Murky Bluebonnet (#333696) is a true blue 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 (238°, 49%, 39%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#333696
RGB
rgb(51, 54, 150)
HSL
hsl(238, 49%, 39%)
HWB
hwb(238 20% 41%)
OKLCH
oklch(39.4% 0.154 275.4)
HSV
hsv(238, 66%, 59%)
LAB
lab(28.23% 30.18 -53.14)
LCH
lch(28.23% 61.11 299.59)
CMYK
cmyk(66%, 64%, 0%, 41%)

Etymology

Murky
adjective

From Old Norse myrkr, darkness — sharing root with mirkwood. Murky implies low value combined with reduced clarity — the deep brown-greens of pond water, the dim interior of a smoke-blackened bar. Sits at the deep-and-dirtied end of the grid, where the color is both dark and slightly clouded.

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

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.

#333696
Original
#004799
Protanopia
#003e94
Deuteranopia
#004e61
Tritanopia
#3c3c3c
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
9.96:1
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
2.11:1

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