colors
Back to gallery

Grave Bellflower

#493578
Notes

Grave Bellflower (#493578) 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 (258°, 39%, 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#493578
RGB
rgb(73, 53, 120)
HSL
hsl(258, 39%, 34%)
HWB
hwb(258 21% 53%)
OKLCH
oklch(38.7% 0.110 294.4)
P3
color(display-p3 0.2742 0.2110 0.4550)
HSV
hsv(258, 56%, 47%)
LAB
lab(27.62% 25.56 -35.36)
LCH
lch(27.62% 43.64 305.86)
CMYK
cmyk(39%, 56%, 0%, 53%)

Etymology

Grave
adjective

Latin gravis, heavy — also the noun grave (burial pit). As a color modifier, grave implies a deep-and-formal seriousness where the hue carries weight beyond its lightness alone. Sits at the deep-and-solemn end of the grid, parallel to solemn and funereal in tone.

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.

#493578
Original
#18427a
Protanopia
#1d4076
Deuteranopia
#3d4351
Tritanopia
#3e3e3e
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
10.18:1
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
2.06:1

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
##493578
Display P3
Display P3
color(display-p3 0.2742 0.2110 0.4550)
P3 has subtle headroomOKLCH chroma 0.110

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