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Plunged Bluebell

#312787
Notes

Plunged Bluebell (#312787) is a deep 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 (246°, 55%, 34%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#312787
RGB
rgb(49, 39, 135)
HSL
hsl(246, 55%, 34%)
HWB
hwb(246 15% 47%)
OKLCH
oklch(35.2% 0.153 279.8)
P3
color(display-p3 0.1858 0.1544 0.5091)
HSV
hsv(246, 71%, 53%)
LAB
lab(23.18% 34.16 -52.12)
LCH
lch(23.18% 62.32 303.24)
CMYK
cmyk(64%, 71%, 0%, 47%)

Etymology

Plunged
adjective

Old French plonger, to plunge via Latin plumbicāre (to weight with lead) — past-participle of plunge. As a color modifier, plunged implies the deep-and-suddenly-deepened quality of a hue forced into darkness. Sits at the deep-and-rapid-shift end of the grid, parallel to submerged with kinetic register.

Bluebell
noun

Hyacinthoides non-scripta, the wild English bluebell that carpets ancient British woodlands in late April — half the world's population grows in the United Kingdom. The color refers to a freshly opened bluebell flower: a saturated, slightly violet-shifted blue with the matte finish of a downward-hanging bell. Cooler than periwinkle, warmer than cobalt, with the seasonal weight of a flower so closely tied to one country's spring landscape.

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.

#312787
Original
#003b8a
Protanopia
#003485
Deuteranopia
#004154
Tritanopia
#303030
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
11.86:1
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
1.77:1

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
##312787
Display P3
Display P3
color(display-p3 0.1858 0.1544 0.5091)
P3 has subtle headroomOKLCH chroma 0.153

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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