colors
Back to gallery

Plumbed Bellflower

#3c256c
Notes

Plumbed Bellflower (#3C256C) is a deep 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 (259°, 49%, 28%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3c256c
RGB
rgb(60, 37, 108)
HSL
hsl(259, 49%, 28%)
HWB
hwb(259 15% 58%)
OKLCH
oklch(33.5% 0.118 294.0)
P3
color(display-p3 0.2222 0.1490 0.4082)
HSV
hsv(259, 66%, 42%)
LAB
lab(21.46% 28.75 -37.69)
LCH
lch(21.46% 47.40 307.33)
CMYK
cmyk(44%, 66%, 0%, 58%)

Etymology

Plumbed
adjective

Latin plumbum, lead — past-participle of plumb (to measure depth with a lead-weighted line). As a color modifier, plumbed implies a deep-and-cool quality measured-to-its-fullest-depth, the dark cool-gray of lead-and-pewter metallic surfaces. Sits at the deep-and-cool end of the grid, parallel to fathomless with metallic register.

Bellflower
noun

The genus Campanula — Latin for little bell — small to mid-sized perennials whose bell-shaped blue or violet flowers fill rock gardens and herbaceous borders across temperate climates. The color refers to a fresh Campanula medium canterbury bell: a saturated, slightly violet-shifted blue with the matte finish of a single bell-form flower. Cooler than periwinkle, warmer than larkspur, with the cottage-garden weight of a plant that names an entire genus and color.

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.

#3c256c
Original
#00346e
Protanopia
#00326a
Deuteranopia
#2f3544
Tritanopia
#2f2f2f
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
12.55:1
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
1.67:1

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
##3C256C
Display P3
Display P3
color(display-p3 0.2222 0.1490 0.4082)
P3 has subtle headroomOKLCH chroma 0.118

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.

Related Colors

Canvas